Home / 726,138.22-1,002,083.63-403,848.46

Finding the Fourth Proportional to 726,138.22, 1,002,083.63 and 403,848.46

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Solution

The fourth proportional to 726,138.22, 1,002,083.63 and 403,848.46 is: 557,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,138.22 : 1,002,083.63 = 403,848.46 : x
  2. Step 2: Convert to fraction form
    726,138.22/1,002,083.63 = 403,848.46/x
  3. Step 3: Cross multiply
    726,138.22x = 1,002,083.63 × 403,848.46
  4. Step 4: Simplify right side
    726,138.22x = 404,689,928,317.54
  5. Step 5: Solve for x
    x = 404,689,928,317.54/726,138.22
  6. Step 6: Final answer
    x = 557,318.04

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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.