Finding the Fourth Proportional to 843,306.92, 1,265,375.92 and 394,058.84
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Solution
The fourth proportional to 843,306.92, 1,265,375.92 and 394,058.84 is: 591,282.43
Step by Step Solution
- Step 1: Write the proportion equation
843,306.92 : 1,265,375.92 = 394,058.84 : x - Step 2: Convert to fraction form
843,306.92/1,265,375.92 = 394,058.84/x - Step 3: Cross multiply
843,306.92x = 1,265,375.92 × 394,058.84 - Step 4: Simplify right side
843,306.92x = 498,632,567,199.13 - Step 5: Solve for x
x = 498,632,567,199.13/843,306.92 - Step 6: Final answer
x = 591,282.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.