Finding the Fourth Proportional to 587,654.11, 881,481.09 and 387,927.70
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Solution
The fourth proportional to 587,654.11, 881,481.09 and 387,927.70 is: 581,891.50
Step by Step Solution
- Step 1: Write the proportion equation
587,654.11 : 881,481.09 = 387,927.70 : x - Step 2: Convert to fraction form
587,654.11/881,481.09 = 387,927.70/x - Step 3: Cross multiply
587,654.11x = 881,481.09 × 387,927.70 - Step 4: Simplify right side
587,654.11x = 341,950,931,837.19 - Step 5: Solve for x
x = 341,950,931,837.19/587,654.11 - Step 6: Final answer
x = 581,891.50
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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.