Home / 752,014.20-1,128,167.10-378,037.20

Finding the Fourth Proportional to 752,014.20, 1,128,167.10 and 378,037.20

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Solution

The fourth proportional to 752,014.20, 1,128,167.10 and 378,037.20 is: 567,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,014.20 : 1,128,167.10 = 378,037.20 : x
  2. Step 2: Convert to fraction form
    752,014.20/1,128,167.10 = 378,037.20/x
  3. Step 3: Cross multiply
    752,014.20x = 1,128,167.10 × 378,037.20
  4. Step 4: Simplify right side
    752,014.20x = 426,489,131,616.12
  5. Step 5: Solve for x
    x = 426,489,131,616.12/752,014.20
  6. Step 6: Final answer
    x = 567,129.09

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Double scale
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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.