Home / 752,429.32-1,038,352.98-412,916.20

Finding the Fourth Proportional to 752,429.32, 1,038,352.98 and 412,916.20

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Solution

The fourth proportional to 752,429.32, 1,038,352.98 and 412,916.20 is: 569,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,429.32 : 1,038,352.98 = 412,916.20 : x
  2. Step 2: Convert to fraction form
    752,429.32/1,038,352.98 = 412,916.20/x
  3. Step 3: Cross multiply
    752,429.32x = 1,038,352.98 × 412,916.20
  4. Step 4: Simplify right side
    752,429.32x = 428,752,766,760.28
  5. Step 5: Solve for x
    x = 428,752,766,760.28/752,429.32
  6. Step 6: Final answer
    x = 569,824.64

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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.