393.47 is what percent of 1399 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 1399 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 1399, so we can write it down as 100%=1399.
4. We know, that x% equals 393.47 of the output value, so we can write it down as x%=393.47.
5. Now we have two simple equations:
1) 100%=1399
2) x%=393.47
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=1399/393.47
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 393.47 is what percent of 1399

100%/x%=1399/393.47
(100/x)*x=(1399/393.47)*x       - we multiply both sides of the equation by x
100=3.5555442600452*x       - we divide both sides of the equation by (3.5555442600452) to get x
100/3.5555442600452=x
28.125089349535=x
x=28.125089349535

now we have:
393.47 is 28.125089349535% of 1399