Finding the Fourth Proportional to 728,132.22, 1,092,690.18 and 254,821.68
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Solution
The fourth proportional to 728,132.22, 1,092,690.18 and 254,821.68 is: 382,404.65
Step by Step Solution
- Step 1: Write the proportion equation
728,132.22 : 1,092,690.18 = 254,821.68 : x - Step 2: Convert to fraction form
728,132.22/1,092,690.18 = 254,821.68/x - Step 3: Cross multiply
728,132.22x = 1,092,690.18 × 254,821.68 - Step 4: Simplify right side
728,132.22x = 278,441,147,387.10 - Step 5: Solve for x
x = 278,441,147,387.10/728,132.22 - Step 6: Final answer
x = 382,404.65
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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.