Home / 752,595.20-1,128,984.96-331,976.96

Finding the Fourth Proportional to 752,595.20, 1,128,984.96 and 331,976.96

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Solution

The fourth proportional to 752,595.20, 1,128,984.96 and 331,976.96 is: 498,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,595.20 : 1,128,984.96 = 331,976.96 : x
  2. Step 2: Convert to fraction form
    752,595.20/1,128,984.96 = 331,976.96/x
  3. Step 3: Cross multiply
    752,595.20x = 1,128,984.96 × 331,976.96
  4. Step 4: Simplify right side
    752,595.20x = 374,796,994,906.52
  5. Step 5: Solve for x
    x = 374,796,994,906.52/752,595.20
  6. Step 6: Final answer
    x = 498,006.09

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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.