Finding the Fourth Proportional to 792,417.71, 1,187,575.11 and 431,663.09
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Solution
The fourth proportional to 792,417.71, 1,187,575.11 and 431,663.09 is: 646,921.86
Step by Step Solution
- Step 1: Write the proportion equation
792,417.71 : 1,187,575.11 = 431,663.09 : x - Step 2: Convert to fraction form
792,417.71/1,187,575.11 = 431,663.09/x - Step 3: Cross multiply
792,417.71x = 1,187,575.11 × 431,663.09 - Step 4: Simplify right side
792,417.71x = 512,632,335,651.81 - Step 5: Solve for x
x = 512,632,335,651.81/792,417.71 - Step 6: Final answer
x = 646,921.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.