Home / 752,107.04-1,128,239.66-219,629.56

Finding the Fourth Proportional to 752,107.04, 1,128,239.66 and 219,629.56

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Solution

The fourth proportional to 752,107.04, 1,128,239.66 and 219,629.56 is: 329,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,107.04 : 1,128,239.66 = 219,629.56 : x
  2. Step 2: Convert to fraction form
    752,107.04/1,128,239.66 = 219,629.56/x
  3. Step 3: Cross multiply
    752,107.04x = 1,128,239.66 × 219,629.56
  4. Step 4: Simplify right side
    752,107.04x = 247,794,780,100.35
  5. Step 5: Solve for x
    x = 247,794,780,100.35/752,107.04
  6. Step 6: Final answer
    x = 329,467.44

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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.