Home / 726,127.39-1,002,083.43-403,860.79

Finding the Fourth Proportional to 726,127.39, 1,002,083.43 and 403,860.79

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Solution

The fourth proportional to 726,127.39, 1,002,083.43 and 403,860.79 is: 557,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,127.39 : 1,002,083.43 = 403,860.79 : x
  2. Step 2: Convert to fraction form
    726,127.39/1,002,083.43 = 403,860.79/x
  3. Step 3: Cross multiply
    726,127.39x = 1,002,083.43 × 403,860.79
  4. Step 4: Simplify right side
    726,127.39x = 404,702,205,685.71
  5. Step 5: Solve for x
    x = 404,702,205,685.71/726,127.39
  6. Step 6: Final answer
    x = 557,343.26

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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.