Finding the Fourth Proportional to 624,344.70, 861,595.68 and 337,864.78
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Solution
The fourth proportional to 624,344.70, 861,595.68 and 337,864.78 is: 466,253.39
Step by Step Solution
- Step 1: Write the proportion equation
624,344.70 : 861,595.68 = 337,864.78 : x - Step 2: Convert to fraction form
624,344.70/861,595.68 = 337,864.78/x - Step 3: Cross multiply
624,344.70x = 861,595.68 × 337,864.78 - Step 4: Simplify right side
624,344.70x = 291,102,834,872.15 - Step 5: Solve for x
x = 291,102,834,872.15/624,344.70 - Step 6: Final answer
x = 466,253.39
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1.5x scale
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.