Home / 819,099.24-1,228,565.84-219,982.56

Finding the Fourth Proportional to 819,099.24, 1,228,565.84 and 219,982.56

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Solution

The fourth proportional to 819,099.24, 1,228,565.84 and 219,982.56 is: 329,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,099.24 : 1,228,565.84 = 219,982.56 : x
  2. Step 2: Convert to fraction form
    819,099.24/1,228,565.84 = 219,982.56/x
  3. Step 3: Cross multiply
    819,099.24x = 1,228,565.84 × 219,982.56
  4. Step 4: Simplify right side
    819,099.24x = 270,263,058,611.75
  5. Step 5: Solve for x
    x = 270,263,058,611.75/819,099.24
  6. Step 6: Final answer
    x = 329,951.54

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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.