Finding the Fourth Proportional to 776,560.38, 1,165,372.56 and 271,121.42
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Solution
The fourth proportional to 776,560.38, 1,165,372.56 and 271,121.42 is: 406,867.86
Step by Step Solution
- Step 1: Write the proportion equation
776,560.38 : 1,165,372.56 = 271,121.42 : x - Step 2: Convert to fraction form
776,560.38/1,165,372.56 = 271,121.42/x - Step 3: Cross multiply
776,560.38x = 1,165,372.56 × 271,121.42 - Step 4: Simplify right side
776,560.38x = 315,957,463,296.24 - Step 5: Solve for x
x = 315,957,463,296.24/776,560.38 - Step 6: Final answer
x = 406,867.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.