Home / 460,049.20-688,761.60-407,561.20

Finding the Fourth Proportional to 460,049.20, 688,761.60 and 407,561.20

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Solution

The fourth proportional to 460,049.20, 688,761.60 and 407,561.20 is: 610,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,049.20 : 688,761.60 = 407,561.20 : x
  2. Step 2: Convert to fraction form
    460,049.20/688,761.60 = 407,561.20/x
  3. Step 3: Cross multiply
    460,049.20x = 688,761.60 × 407,561.20
  4. Step 4: Simplify right side
    460,049.20x = 280,712,504,209.92
  5. Step 5: Solve for x
    x = 280,712,504,209.92/460,049.20
  6. Step 6: Final answer
    x = 610,179.31

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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.