Finding the Fourth Proportional to 624,374.97, 861,640.19 and 337,895.09
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Solution
The fourth proportional to 624,374.97, 861,640.19 and 337,895.09 is: 466,296.69
Step by Step Solution
- Step 1: Write the proportion equation
624,374.97 : 861,640.19 = 337,895.09 : x - Step 2: Convert to fraction form
624,374.97/861,640.19 = 337,895.09/x - Step 3: Cross multiply
624,374.97x = 861,640.19 × 337,895.09 - Step 4: Simplify right side
624,374.97x = 291,143,983,549.99 - Step 5: Solve for x
x = 291,143,983,549.99/624,374.97 - Step 6: Final answer
x = 466,296.69
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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.