Finding the Fourth Proportional to 874,720.13, 1,207,125.92 and 487,524.84
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Solution
The fourth proportional to 874,720.13, 1,207,125.92 and 487,524.84 is: 672,791.05
Step by Step Solution
- Step 1: Write the proportion equation
874,720.13 : 1,207,125.92 = 487,524.84 : x - Step 2: Convert to fraction form
874,720.13/1,207,125.92 = 487,524.84/x - Step 3: Cross multiply
874,720.13x = 1,207,125.92 × 487,524.84 - Step 4: Simplify right side
874,720.13x = 588,503,867,699.94 - Step 5: Solve for x
x = 588,503,867,699.94/874,720.13 - Step 6: Final answer
x = 672,791.05
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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.