Home / 752,697.32-1,128,170.46-279,017.96

Finding the Fourth Proportional to 752,697.32, 1,128,170.46 and 279,017.96

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Solution

The fourth proportional to 752,697.32, 1,128,170.46 and 279,017.96 is: 418,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,697.32 : 1,128,170.46 = 279,017.96 : x
  2. Step 2: Convert to fraction form
    752,697.32/1,128,170.46 = 279,017.96/x
  3. Step 3: Cross multiply
    752,697.32x = 1,128,170.46 × 279,017.96
  4. Step 4: Simplify right side
    752,697.32x = 314,779,820,281.46
  5. Step 5: Solve for x
    x = 314,779,820,281.46/752,697.32
  6. Step 6: Final answer
    x = 418,202.39

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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.