Home / 726,221.79-1,002,171.69-403,924.95

Finding the Fourth Proportional to 726,221.79, 1,002,171.69 and 403,924.95

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Solution

The fourth proportional to 726,221.79, 1,002,171.69 and 403,924.95 is: 557,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,221.79 : 1,002,171.69 = 403,924.95 : x
  2. Step 2: Convert to fraction form
    726,221.79/1,002,171.69 = 403,924.95/x
  3. Step 3: Cross multiply
    726,221.79x = 1,002,171.69 × 403,924.95
  4. Step 4: Simplify right side
    726,221.79x = 404,802,149,774.67
  5. Step 5: Solve for x
    x = 404,802,149,774.67/726,221.79
  6. Step 6: Final answer
    x = 557,408.43

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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.