Finding the Fourth Proportional to 870,332.14, 1,201,448.19 and 530,935.66
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Solution
The fourth proportional to 870,332.14, 1,201,448.19 and 530,935.66 is: 732,929.03
Step by Step Solution
- Step 1: Write the proportion equation
870,332.14 : 1,201,448.19 = 530,935.66 : x - Step 2: Convert to fraction form
870,332.14/1,201,448.19 = 530,935.66/x - Step 3: Cross multiply
870,332.14x = 1,201,448.19 × 530,935.66 - Step 4: Simplify right side
870,332.14x = 637,891,687,713.46 - Step 5: Solve for x
x = 637,891,687,713.46/870,332.14 - Step 6: Final answer
x = 732,929.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.