Home / 752,467.92-1,128,807.78-220,029

Finding the Fourth Proportional to 752,467.92, 1,128,807.78 and 220,029

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Solution

The fourth proportional to 752,467.92, 1,128,807.78 and 220,029 is: 330,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,467.92 : 1,128,807.78 = 220,029 : x
  2. Step 2: Convert to fraction form
    752,467.92/1,128,807.78 = 220,029/x
  3. Step 3: Cross multiply
    752,467.92x = 1,128,807.78 × 220,029
  4. Step 4: Simplify right side
    752,467.92x = 248,370,447,025.62
  5. Step 5: Solve for x
    x = 248,370,447,025.62/752,467.92
  6. Step 6: Final answer
    x = 330,074.47

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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.