Finding the Fourth Proportional to 629,937.92, 869,668.08 and 436,626.56
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Solution
The fourth proportional to 629,937.92, 869,668.08 and 436,626.56 is: 602,789.85
Step by Step Solution
- Step 1: Write the proportion equation
629,937.92 : 869,668.08 = 436,626.56 : x - Step 2: Convert to fraction form
629,937.92/869,668.08 = 436,626.56/x - Step 3: Cross multiply
629,937.92x = 869,668.08 × 436,626.56 - Step 4: Simplify right side
629,937.92x = 379,720,182,112.21 - Step 5: Solve for x
x = 379,720,182,112.21/629,937.92 - Step 6: Final answer
x = 602,789.85
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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.