Finding the Fourth Proportional to 861,916.05, 1,292,441.49 and 502,203.15
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Solution
The fourth proportional to 861,916.05, 1,292,441.49 and 502,203.15 is: 753,052.68
Step by Step Solution
- Step 1: Write the proportion equation
861,916.05 : 1,292,441.49 = 502,203.15 : x - Step 2: Convert to fraction form
861,916.05/1,292,441.49 = 502,203.15/x - Step 3: Cross multiply
861,916.05x = 1,292,441.49 × 502,203.15 - Step 4: Simplify right side
861,916.05x = 649,068,187,468.69 - Step 5: Solve for x
x = 649,068,187,468.69/861,916.05 - Step 6: Final answer
x = 753,052.68
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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.