Home / 782,406.60-1,173,609.90-221,441.10

Finding the Fourth Proportional to 782,406.60, 1,173,609.90 and 221,441.10

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Solution

The fourth proportional to 782,406.60, 1,173,609.90 and 221,441.10 is: 332,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,406.60 : 1,173,609.90 = 221,441.10 : x
  2. Step 2: Convert to fraction form
    782,406.60/1,173,609.90 = 221,441.10/x
  3. Step 3: Cross multiply
    782,406.60x = 1,173,609.90 × 221,441.10
  4. Step 4: Simplify right side
    782,406.60x = 259,885,467,226.89
  5. Step 5: Solve for x
    x = 259,885,467,226.89/782,406.60
  6. Step 6: Final answer
    x = 332,161.65

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Similar ratio
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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.