Finding the Fourth Proportional to 843,327.16, 1,265,406.36 and 394,079.02
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Solution
The fourth proportional to 843,327.16, 1,265,406.36 and 394,079.02 is: 591,312.75
Step by Step Solution
- Step 1: Write the proportion equation
843,327.16 : 1,265,406.36 = 394,079.02 : x - Step 2: Convert to fraction form
843,327.16/1,265,406.36 = 394,079.02/x - Step 3: Cross multiply
843,327.16x = 1,265,406.36 × 394,079.02 - Step 4: Simplify right side
843,327.16x = 498,670,098,250.57 - Step 5: Solve for x
x = 498,670,098,250.57/843,327.16 - Step 6: Final answer
x = 591,312.75
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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.