Home / 693,237.12-1,040,011.20-219,937.92

Finding the Fourth Proportional to 693,237.12, 1,040,011.20 and 219,937.92

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Solution

The fourth proportional to 693,237.12, 1,040,011.20 and 219,937.92 is: 329,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,237.12 : 1,040,011.20 = 219,937.92 : x
  2. Step 2: Convert to fraction form
    693,237.12/1,040,011.20 = 219,937.92/x
  3. Step 3: Cross multiply
    693,237.12x = 1,040,011.20 × 219,937.92
  4. Step 4: Simplify right side
    693,237.12x = 228,737,900,104.70
  5. Step 5: Solve for x
    x = 228,737,900,104.70/693,237.12
  6. Step 6: Final answer
    x = 329,956.22

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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.