Home / 752,598.20-1,128,989.46-331,979.96

Finding the Fourth Proportional to 752,598.20, 1,128,989.46 and 331,979.96

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Solution

The fourth proportional to 752,598.20, 1,128,989.46 and 331,979.96 is: 498,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,598.20 : 1,128,989.46 = 331,979.96 : x
  2. Step 2: Convert to fraction form
    752,598.20/1,128,989.46 = 331,979.96/x
  3. Step 3: Cross multiply
    752,598.20x = 1,128,989.46 × 331,979.96
  4. Step 4: Simplify right side
    752,598.20x = 374,801,875,771.22
  5. Step 5: Solve for x
    x = 374,801,875,771.22/752,598.20
  6. Step 6: Final answer
    x = 498,010.59

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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.