Finding the Fourth Proportional to 635,351.14, 876,863.55 and 363,381.31
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Solution
The fourth proportional to 635,351.14, 876,863.55 and 363,381.31 is: 501,511.38
Step by Step Solution
- Step 1: Write the proportion equation
635,351.14 : 876,863.55 = 363,381.31 : x - Step 2: Convert to fraction form
635,351.14/876,863.55 = 363,381.31/x - Step 3: Cross multiply
635,351.14x = 876,863.55 × 363,381.31 - Step 4: Simplify right side
635,351.14x = 318,635,825,490.25 - Step 5: Solve for x
x = 318,635,825,490.25/635,351.14 - Step 6: Final answer
x = 501,511.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.