Home / 925,871.76-1,277,188.62-538,643.70

Finding the Fourth Proportional to 925,871.76, 1,277,188.62 and 538,643.70

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Solution

The fourth proportional to 925,871.76, 1,277,188.62 and 538,643.70 is: 743,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,871.76 : 1,277,188.62 = 538,643.70 : x
  2. Step 2: Convert to fraction form
    925,871.76/1,277,188.62 = 538,643.70/x
  3. Step 3: Cross multiply
    925,871.76x = 1,277,188.62 × 538,643.70
  4. Step 4: Simplify right side
    925,871.76x = 687,949,603,874.69
  5. Step 5: Solve for x
    x = 687,949,603,874.69/925,871.76
  6. Step 6: Final answer
    x = 743,029.04

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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.