Finding the Fourth Proportional to 396,451.38, 546,820.26 and 363,850.79
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Solution
The fourth proportional to 396,451.38, 546,820.26 and 363,850.79 is: 501,854.68
Step by Step Solution
- Step 1: Write the proportion equation
396,451.38 : 546,820.26 = 363,850.79 : x - Step 2: Convert to fraction form
396,451.38/546,820.26 = 363,850.79/x - Step 3: Cross multiply
396,451.38x = 546,820.26 × 363,850.79 - Step 4: Simplify right side
396,451.38x = 198,960,980,854.90 - Step 5: Solve for x
x = 198,960,980,854.90/396,451.38 - Step 6: Final answer
x = 501,854.68
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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.