Home / 726,587.33-1,002,829.28-481,139.44

Finding the Fourth Proportional to 726,587.33, 1,002,829.28 and 481,139.44

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Solution

The fourth proportional to 726,587.33, 1,002,829.28 and 481,139.44 is: 664,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,587.33 : 1,002,829.28 = 481,139.44 : x
  2. Step 2: Convert to fraction form
    726,587.33/1,002,829.28 = 481,139.44/x
  3. Step 3: Cross multiply
    726,587.33x = 1,002,829.28 × 481,139.44
  4. Step 4: Simplify right side
    726,587.33x = 482,500,713,282.03
  5. Step 5: Solve for x
    x = 482,500,713,282.03/726,587.33
  6. Step 6: Final answer
    x = 664,064.31

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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.