Finding the Fourth Proportional to 514,831.92, 709,680.49 and 361,439.79
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Solution
The fourth proportional to 514,831.92, 709,680.49 and 361,439.79 is: 498,234.00
Step by Step Solution
- Step 1: Write the proportion equation
514,831.92 : 709,680.49 = 361,439.79 : x - Step 2: Convert to fraction form
514,831.92/709,680.49 = 361,439.79/x - Step 3: Cross multiply
514,831.92x = 709,680.49 × 361,439.79 - Step 4: Simplify right side
514,831.92x = 256,506,767,272.70 - Step 5: Solve for x
x = 256,506,767,272.70/514,831.92 - Step 6: Final answer
x = 498,234.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.