Finding the Fourth Proportional to 755,142.62, 1,132,687.20 and 328,677.62
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Solution
The fourth proportional to 755,142.62, 1,132,687.20 and 328,677.62 is: 493,004.80
Step by Step Solution
- Step 1: Write the proportion equation
755,142.62 : 1,132,687.20 = 328,677.62 : x - Step 2: Convert to fraction form
755,142.62/1,132,687.20 = 328,677.62/x - Step 3: Cross multiply
755,142.62x = 1,132,687.20 × 328,677.62 - Step 4: Simplify right side
755,142.62x = 372,288,933,100.46 - Step 5: Solve for x
x = 372,288,933,100.46/755,142.62 - Step 6: Final answer
x = 493,004.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.