Home / 709,469.20-1,064,722.20-499,517.20

Finding the Fourth Proportional to 709,469.20, 1,064,722.20 and 499,517.20

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Solution

The fourth proportional to 709,469.20, 1,064,722.20 and 499,517.20 is: 749,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,469.20 : 1,064,722.20 = 499,517.20 : x
  2. Step 2: Convert to fraction form
    709,469.20/1,064,722.20 = 499,517.20/x
  3. Step 3: Cross multiply
    709,469.20x = 1,064,722.20 × 499,517.20
  4. Step 4: Simplify right side
    709,469.20x = 531,847,052,121.84
  5. Step 5: Solve for x
    x = 531,847,052,121.84/709,469.20
  6. Step 6: Final answer
    x = 749,640.79

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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.