Home / 726,141.36-1,002,087.94-403,851.58

Finding the Fourth Proportional to 726,141.36, 1,002,087.94 and 403,851.58

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Solution

The fourth proportional to 726,141.36, 1,002,087.94 and 403,851.58 is: 557,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,141.36 : 1,002,087.94 = 403,851.58 : x
  2. Step 2: Convert to fraction form
    726,141.36/1,002,087.94 = 403,851.58/x
  3. Step 3: Cross multiply
    726,141.36x = 1,002,087.94 × 403,851.58
  4. Step 4: Simplify right side
    726,141.36x = 404,694,797,867.95
  5. Step 5: Solve for x
    x = 404,694,797,867.95/726,141.36
  6. Step 6: Final answer
    x = 557,322.33

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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.