Finding the Fourth Proportional to 514,470.96, 770,324.04 and 419,311.08
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Solution
The fourth proportional to 514,470.96, 770,324.04 and 419,311.08 is: 627,839.92
Step by Step Solution
- Step 1: Write the proportion equation
514,470.96 : 770,324.04 = 419,311.08 : x - Step 2: Convert to fraction form
514,470.96/770,324.04 = 419,311.08/x - Step 3: Cross multiply
514,470.96x = 770,324.04 × 419,311.08 - Step 4: Simplify right side
514,470.96x = 323,005,405,162.36 - Step 5: Solve for x
x = 323,005,405,162.36/514,470.96 - Step 6: Final answer
x = 627,839.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.