Finding the Fourth Proportional to 771,560.62, 1,152,648.19 and 499,472.17
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Solution
The fourth proportional to 771,560.62, 1,152,648.19 and 499,472.17 is: 746,170.39
Step by Step Solution
- Step 1: Write the proportion equation
771,560.62 : 1,152,648.19 = 499,472.17 : x - Step 2: Convert to fraction form
771,560.62/1,152,648.19 = 499,472.17/x - Step 3: Cross multiply
771,560.62x = 1,152,648.19 × 499,472.17 - Step 4: Simplify right side
771,560.62x = 575,715,690,448.59 - Step 5: Solve for x
x = 575,715,690,448.59/771,560.62 - Step 6: Final answer
x = 746,170.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.