Finding the Fourth Proportional to 815,757.67, 1,125,849.38 and 493,470.08
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Solution
The fourth proportional to 815,757.67, 1,125,849.38 and 493,470.08 is: 681,051.50
Step by Step Solution
- Step 1: Write the proportion equation
815,757.67 : 1,125,849.38 = 493,470.08 : x - Step 2: Convert to fraction form
815,757.67/1,125,849.38 = 493,470.08/x - Step 3: Cross multiply
815,757.67x = 1,125,849.38 × 493,470.08 - Step 4: Simplify right side
815,757.67x = 555,572,983,616.55 - Step 5: Solve for x
x = 555,572,983,616.55/815,757.67 - Step 6: Final answer
x = 681,051.50
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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.