Home / 654,247.55-979,796.64-443,245.79

Finding the Fourth Proportional to 654,247.55, 979,796.64 and 443,245.79

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Solution

The fourth proportional to 654,247.55, 979,796.64 and 443,245.79 is: 663,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,247.55 : 979,796.64 = 443,245.79 : x
  2. Step 2: Convert to fraction form
    654,247.55/979,796.64 = 443,245.79/x
  3. Step 3: Cross multiply
    654,247.55x = 979,796.64 × 443,245.79
  4. Step 4: Simplify right side
    654,247.55x = 434,290,735,736.15
  5. Step 5: Solve for x
    x = 434,290,735,736.15/654,247.55
  6. Step 6: Final answer
    x = 663,801.85

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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.