Finding the Fourth Proportional to 624,310.65, 861,550.97 and 337,830.74
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Solution
The fourth proportional to 624,310.65, 861,550.97 and 337,830.74 is: 466,207.65
Step by Step Solution
- Step 1: Write the proportion equation
624,310.65 : 861,550.97 = 337,830.74 : x - Step 2: Convert to fraction form
624,310.65/861,550.97 = 337,830.74/x - Step 3: Cross multiply
624,310.65x = 861,550.97 × 337,830.74 - Step 4: Simplify right side
624,310.65x = 291,058,401,742.82 - Step 5: Solve for x
x = 291,058,401,742.82/624,310.65 - Step 6: Final answer
x = 466,207.65
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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.