Home / 693,763.22-1,040,423.36-220,337.84

Finding the Fourth Proportional to 693,763.22, 1,040,423.36 and 220,337.84

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Solution

The fourth proportional to 693,763.22, 1,040,423.36 and 220,337.84 is: 330,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,763.22 : 1,040,423.36 = 220,337.84 : x
  2. Step 2: Convert to fraction form
    693,763.22/1,040,423.36 = 220,337.84/x
  3. Step 3: Cross multiply
    693,763.22x = 1,040,423.36 × 220,337.84
  4. Step 4: Simplify right side
    693,763.22x = 229,244,635,827.94
  5. Step 5: Solve for x
    x = 229,244,635,827.94/693,763.22
  6. Step 6: Final answer
    x = 330,436.42

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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.