Finding the Fourth Proportional to 704,892.51, 1,057,518.99 and 231,581.97
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Solution
The fourth proportional to 704,892.51, 1,057,518.99 and 231,581.97 is: 347,432.17
Step by Step Solution
- Step 1: Write the proportion equation
704,892.51 : 1,057,518.99 = 231,581.97 : x - Step 2: Convert to fraction form
704,892.51/1,057,518.99 = 231,581.97/x - Step 3: Cross multiply
704,892.51x = 1,057,518.99 × 231,581.97 - Step 4: Simplify right side
704,892.51x = 244,902,331,016.61 - Step 5: Solve for x
x = 244,902,331,016.61/704,892.51 - Step 6: Final answer
x = 347,432.17
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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.