Finding the Fourth Proportional to 749,251.75, 1,033,277.46 and 491,034.63
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Solution
The fourth proportional to 749,251.75, 1,033,277.46 and 491,034.63 is: 677,175.62
Step by Step Solution
- Step 1: Write the proportion equation
749,251.75 : 1,033,277.46 = 491,034.63 : x - Step 2: Convert to fraction form
749,251.75/1,033,277.46 = 491,034.63/x - Step 3: Cross multiply
749,251.75x = 1,033,277.46 × 491,034.63 - Step 4: Simplify right side
749,251.75x = 507,375,017,147.85 - Step 5: Solve for x
x = 507,375,017,147.85/749,251.75 - Step 6: Final answer
x = 677,175.62
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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.