Home / 727,745.40-1,091,229.30-254,446.20

Finding the Fourth Proportional to 727,745.40, 1,091,229.30 and 254,446.20

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Solution

The fourth proportional to 727,745.40, 1,091,229.30 and 254,446.20 is: 381,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,745.40 : 1,091,229.30 = 254,446.20 : x
  2. Step 2: Convert to fraction form
    727,745.40/1,091,229.30 = 254,446.20/x
  3. Step 3: Cross multiply
    727,745.40x = 1,091,229.30 × 254,446.20
  4. Step 4: Simplify right side
    727,745.40x = 277,659,148,713.66
  5. Step 5: Solve for x
    x = 277,659,148,713.66/727,745.40
  6. Step 6: Final answer
    x = 381,533.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.