Finding the Fourth Proportional to 843,324.66, 1,265,402.61 and 394,076.52
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Solution
The fourth proportional to 843,324.66, 1,265,402.61 and 394,076.52 is: 591,308.99
Step by Step Solution
- Step 1: Write the proportion equation
843,324.66 : 1,265,402.61 = 394,076.52 : x - Step 2: Convert to fraction form
843,324.66/1,265,402.61 = 394,076.52/x - Step 3: Cross multiply
843,324.66x = 1,265,402.61 × 394,076.52 - Step 4: Simplify right side
843,324.66x = 498,665,456,947.72 - Step 5: Solve for x
x = 498,665,456,947.72/843,324.66 - Step 6: Final answer
x = 591,308.99
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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.