Home / 752,490.20-1,129,122.59-499,944.56

Finding the Fourth Proportional to 752,490.20, 1,129,122.59 and 499,944.56

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Solution

The fourth proportional to 752,490.20, 1,129,122.59 and 499,944.56 is: 750,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,490.20 : 1,129,122.59 = 499,944.56 : x
  2. Step 2: Convert to fraction form
    752,490.20/1,129,122.59 = 499,944.56/x
  3. Step 3: Cross multiply
    752,490.20x = 1,129,122.59 × 499,944.56
  4. Step 4: Simplify right side
    752,490.20x = 564,498,688,298.28
  5. Step 5: Solve for x
    x = 564,498,688,298.28/752,490.20
  6. Step 6: Final answer
    x = 750,174.14

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1.5x scale

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.