Home / 752,206.80-1,128,361.40-219,726.80

Finding the Fourth Proportional to 752,206.80, 1,128,361.40 and 219,726.80

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Solution

The fourth proportional to 752,206.80, 1,128,361.40 and 219,726.80 is: 329,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,206.80 : 1,128,361.40 = 219,726.80 : x
  2. Step 2: Convert to fraction form
    752,206.80/1,128,361.40 = 219,726.80/x
  3. Step 3: Cross multiply
    752,206.80x = 1,128,361.40 × 219,726.80
  4. Step 4: Simplify right side
    752,206.80x = 247,931,239,665.52
  5. Step 5: Solve for x
    x = 247,931,239,665.52/752,206.80
  6. Step 6: Final answer
    x = 329,605.16

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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.