Finding the Fourth Proportional to 672,543.63, 1,008,842.18 and 267,812.55
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Solution
The fourth proportional to 672,543.63, 1,008,842.18 and 267,812.55 is: 401,729.47
Step by Step Solution
- Step 1: Write the proportion equation
672,543.63 : 1,008,842.18 = 267,812.55 : x - Step 2: Convert to fraction form
672,543.63/1,008,842.18 = 267,812.55/x - Step 3: Cross multiply
672,543.63x = 1,008,842.18 × 267,812.55 - Step 4: Simplify right side
672,543.63x = 270,180,595,434.30 - Step 5: Solve for x
x = 270,180,595,434.30/672,543.63 - Step 6: Final answer
x = 401,729.47
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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.