Home / 752,018.10-1,128,027.15-528,069.30

Finding the Fourth Proportional to 752,018.10, 1,128,027.15 and 528,069.30

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Solution

The fourth proportional to 752,018.10, 1,128,027.15 and 528,069.30 is: 792,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,018.10 : 1,128,027.15 = 528,069.30 : x
  2. Step 2: Convert to fraction form
    752,018.10/1,128,027.15 = 528,069.30/x
  3. Step 3: Cross multiply
    752,018.10x = 1,128,027.15 × 528,069.30
  4. Step 4: Simplify right side
    752,018.10x = 595,676,507,481.50
  5. Step 5: Solve for x
    x = 595,676,507,481.50/752,018.10
  6. Step 6: Final answer
    x = 792,103.95

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Double scale
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Similar ratio
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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.