Home / 726,157.20-1,002,133.97-403,873.59

Finding the Fourth Proportional to 726,157.20, 1,002,133.97 and 403,873.59

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Solution

The fourth proportional to 726,157.20, 1,002,133.97 and 403,873.59 is: 557,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,157.20 : 1,002,133.97 = 403,873.59 : x
  2. Step 2: Convert to fraction form
    726,157.20/1,002,133.97 = 403,873.59/x
  3. Step 3: Cross multiply
    726,157.20x = 1,002,133.97 × 403,873.59
  4. Step 4: Simplify right side
    726,157.20x = 404,735,449,649.80
  5. Step 5: Solve for x
    x = 404,735,449,649.80/726,157.20
  6. Step 6: Final answer
    x = 557,366.16

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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.