Finding the Fourth Proportional to 461,639.12, 691,108.92 and 417,367.76
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Solution
The fourth proportional to 461,639.12, 691,108.92 and 417,367.76 is: 624,831.32
Step by Step Solution
- Step 1: Write the proportion equation
461,639.12 : 691,108.92 = 417,367.76 : x - Step 2: Convert to fraction form
461,639.12/691,108.92 = 417,367.76/x - Step 3: Cross multiply
461,639.12x = 691,108.92 × 417,367.76 - Step 4: Simplify right side
461,639.12x = 288,446,581,856.42 - Step 5: Solve for x
x = 288,446,581,856.42/461,639.12 - Step 6: Final answer
x = 624,831.32
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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.