Finding the Fourth Proportional to 843,305.92, 1,265,374.42 and 394,057.84
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Solution
The fourth proportional to 843,305.92, 1,265,374.42 and 394,057.84 is: 591,280.93
Step by Step Solution
- Step 1: Write the proportion equation
843,305.92 : 1,265,374.42 = 394,057.84 : x - Step 2: Convert to fraction form
843,305.92/1,265,374.42 = 394,057.84/x - Step 3: Cross multiply
843,305.92x = 1,265,374.42 × 394,057.84 - Step 4: Simplify right side
843,305.92x = 498,630,710,736.45 - Step 5: Solve for x
x = 498,630,710,736.45/843,305.92 - Step 6: Final answer
x = 591,280.93
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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.