Home / 727,793.80-1,091,399.10-254,235.40

Finding the Fourth Proportional to 727,793.80, 1,091,399.10 and 254,235.40

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Solution

The fourth proportional to 727,793.80, 1,091,399.10 and 254,235.40 is: 381,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,793.80 : 1,091,399.10 = 254,235.40 : x
  2. Step 2: Convert to fraction form
    727,793.80/1,091,399.10 = 254,235.40/x
  3. Step 3: Cross multiply
    727,793.80x = 1,091,399.10 × 254,235.40
  4. Step 4: Simplify right side
    727,793.80x = 277,472,286,748.14
  5. Step 5: Solve for x
    x = 277,472,286,748.14/727,793.80
  6. Step 6: Final answer
    x = 381,251.24

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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.