Home / 752,995.78-1,039,128.41-408,824.92

Finding the Fourth Proportional to 752,995.78, 1,039,128.41 and 408,824.92

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Solution

The fourth proportional to 752,995.78, 1,039,128.41 and 408,824.92 is: 564,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,995.78 : 1,039,128.41 = 408,824.92 : x
  2. Step 2: Convert to fraction form
    752,995.78/1,039,128.41 = 408,824.92/x
  3. Step 3: Cross multiply
    752,995.78x = 1,039,128.41 × 408,824.92
  4. Step 4: Simplify right side
    752,995.78x = 424,821,591,408.95
  5. Step 5: Solve for x
    x = 424,821,591,408.95/752,995.78
  6. Step 6: Final answer
    x = 564,175.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.