Finding the Fourth Proportional to 624,397.70, 861,670.35 and 337,920.95
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Solution
The fourth proportional to 624,397.70, 861,670.35 and 337,920.95 is: 466,331.73
Step by Step Solution
- Step 1: Write the proportion equation
624,397.70 : 861,670.35 = 337,920.95 : x - Step 2: Convert to fraction form
624,397.70/861,670.35 = 337,920.95/x - Step 3: Cross multiply
624,397.70x = 861,670.35 × 337,920.95 - Step 4: Simplify right side
624,397.70x = 291,176,458,950.48 - Step 5: Solve for x
x = 291,176,458,950.48/624,397.70 - Step 6: Final answer
x = 466,331.73
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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.