Home / 693,763.20-1,040,423.34-220,337.82

Finding the Fourth Proportional to 693,763.20, 1,040,423.34 and 220,337.82

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Solution

The fourth proportional to 693,763.20, 1,040,423.34 and 220,337.82 is: 330,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,763.20 : 1,040,423.34 = 220,337.82 : x
  2. Step 2: Convert to fraction form
    693,763.20/1,040,423.34 = 220,337.82/x
  3. Step 3: Cross multiply
    693,763.20x = 1,040,423.34 × 220,337.82
  4. Step 4: Simplify right side
    693,763.20x = 229,244,610,612.72
  5. Step 5: Solve for x
    x = 229,244,610,612.72/693,763.20
  6. Step 6: Final answer
    x = 330,436.39

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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.