Home / 752,258.40-1,037,844.18-494,274.21

Finding the Fourth Proportional to 752,258.40, 1,037,844.18 and 494,274.21

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Solution

The fourth proportional to 752,258.40, 1,037,844.18 and 494,274.21 is: 681,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,258.40 : 1,037,844.18 = 494,274.21 : x
  2. Step 2: Convert to fraction form
    752,258.40/1,037,844.18 = 494,274.21/x
  3. Step 3: Cross multiply
    752,258.40x = 1,037,844.18 × 494,274.21
  4. Step 4: Simplify right side
    752,258.40x = 512,979,612,172.60
  5. Step 5: Solve for x
    x = 512,979,612,172.60/752,258.40
  6. Step 6: Final answer
    x = 681,919.42

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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.