Home / 970,912.20-1,455,785.10-498,520.20

Finding the Fourth Proportional to 970,912.20, 1,455,785.10 and 498,520.20

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Solution

The fourth proportional to 970,912.20, 1,455,785.10 and 498,520.20 is: 747,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,912.20 : 1,455,785.10 = 498,520.20 : x
  2. Step 2: Convert to fraction form
    970,912.20/1,455,785.10 = 498,520.20/x
  3. Step 3: Cross multiply
    970,912.20x = 1,455,785.10 × 498,520.20
  4. Step 4: Simplify right side
    970,912.20x = 725,738,279,209.02
  5. Step 5: Solve for x
    x = 725,738,279,209.02/970,912.20
  6. Step 6: Final answer
    x = 747,480.85

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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.