Finding the Fourth Proportional to 542,996.19, 746,677.54 and 471,251.66
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Solution
The fourth proportional to 542,996.19, 746,677.54 and 471,251.66 is: 648,021.17
Step by Step Solution
- Step 1: Write the proportion equation
542,996.19 : 746,677.54 = 471,251.66 : x - Step 2: Convert to fraction form
542,996.19/746,677.54 = 471,251.66/x - Step 3: Cross multiply
542,996.19x = 746,677.54 × 471,251.66 - Step 4: Simplify right side
542,996.19x = 351,873,025,298.20 - Step 5: Solve for x
x = 351,873,025,298.20/542,996.19 - Step 6: Final answer
x = 648,021.17
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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.