Home / 670,481.98-1,005,846.68-221,233.90

Finding the Fourth Proportional to 670,481.98, 1,005,846.68 and 221,233.90

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Solution

The fourth proportional to 670,481.98, 1,005,846.68 and 221,233.90 is: 331,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,481.98 : 1,005,846.68 = 221,233.90 : x
  2. Step 2: Convert to fraction form
    670,481.98/1,005,846.68 = 221,233.90/x
  3. Step 3: Cross multiply
    670,481.98x = 1,005,846.68 × 221,233.90
  4. Step 4: Simplify right side
    670,481.98x = 222,527,383,818.45
  5. Step 5: Solve for x
    x = 222,527,383,818.45/670,481.98
  6. Step 6: Final answer
    x = 331,891.67

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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.