Finding the Fourth Proportional to 629,614.68, 868,842.90 and 343,128.58
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Solution
The fourth proportional to 629,614.68, 868,842.90 and 343,128.58 is: 473,503.62
Step by Step Solution
- Step 1: Write the proportion equation
629,614.68 : 868,842.90 = 343,128.58 : x - Step 2: Convert to fraction form
629,614.68/868,842.90 = 343,128.58/x - Step 3: Cross multiply
629,614.68x = 868,842.90 × 343,128.58 - Step 4: Simplify right side
629,614.68x = 298,124,830,520.08 - Step 5: Solve for x
x = 298,124,830,520.08/629,614.68 - Step 6: Final answer
x = 473,503.62
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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.