Home / 752,693.40-1,129,046.58-191,727.36

Finding the Fourth Proportional to 752,693.40, 1,129,046.58 and 191,727.36

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Solution

The fourth proportional to 752,693.40, 1,129,046.58 and 191,727.36 is: 287,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,693.40 : 1,129,046.58 = 191,727.36 : x
  2. Step 2: Convert to fraction form
    752,693.40/1,129,046.58 = 191,727.36/x
  3. Step 3: Cross multiply
    752,693.40x = 1,129,046.58 × 191,727.36
  4. Step 4: Simplify right side
    752,693.40x = 216,469,120,100.43
  5. Step 5: Solve for x
    x = 216,469,120,100.43/752,693.40
  6. Step 6: Final answer
    x = 287,592.69

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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.