Finding the Fourth Proportional to 629,201.62, 868,311.56 and 342,721.02
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Solution
The fourth proportional to 629,201.62, 868,311.56 and 342,721.02 is: 472,962.27
Step by Step Solution
- Step 1: Write the proportion equation
629,201.62 : 868,311.56 = 342,721.02 : x - Step 2: Convert to fraction form
629,201.62/868,311.56 = 342,721.02/x - Step 3: Cross multiply
629,201.62x = 868,311.56 × 342,721.02 - Step 4: Simplify right side
629,201.62x = 297,588,623,520.99 - Step 5: Solve for x
x = 297,588,623,520.99/629,201.62 - Step 6: Final answer
x = 472,962.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.