Home / 752,481.44-1,038,454.32-412,961.92

Finding the Fourth Proportional to 752,481.44, 1,038,454.32 and 412,961.92

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Solution

The fourth proportional to 752,481.44, 1,038,454.32 and 412,961.92 is: 569,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,481.44 : 1,038,454.32 = 412,961.92 : x
  2. Step 2: Convert to fraction form
    752,481.44/1,038,454.32 = 412,961.92/x
  3. Step 3: Cross multiply
    752,481.44x = 1,038,454.32 × 412,961.92
  4. Step 4: Simplify right side
    752,481.44x = 428,842,089,819.49
  5. Step 5: Solve for x
    x = 428,842,089,819.49/752,481.44
  6. Step 6: Final answer
    x = 569,903.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.