Home / 925,379.66-1,277,027.35-538,287.95

Finding the Fourth Proportional to 925,379.66, 1,277,027.35 and 538,287.95

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Solution

The fourth proportional to 925,379.66, 1,277,027.35 and 538,287.95 is: 742,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,379.66 : 1,277,027.35 = 538,287.95 : x
  2. Step 2: Convert to fraction form
    925,379.66/1,277,027.35 = 538,287.95/x
  3. Step 3: Cross multiply
    925,379.66x = 1,277,027.35 × 538,287.95
  4. Step 4: Simplify right side
    925,379.66x = 687,408,436,172.28
  5. Step 5: Solve for x
    x = 687,408,436,172.28/925,379.66
  6. Step 6: Final answer
    x = 742,839.36

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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.