Home / 667,458.55-1,001,234.53-330,408.70

Finding the Fourth Proportional to 667,458.55, 1,001,234.53 and 330,408.70

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Solution

The fourth proportional to 667,458.55, 1,001,234.53 and 330,408.70 is: 495,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,458.55 : 1,001,234.53 = 330,408.70 : x
  2. Step 2: Convert to fraction form
    667,458.55/1,001,234.53 = 330,408.70/x
  3. Step 3: Cross multiply
    667,458.55x = 1,001,234.53 × 330,408.70
  4. Step 4: Simplify right side
    667,458.55x = 330,816,597,800.37
  5. Step 5: Solve for x
    x = 330,816,597,800.37/667,458.55
  6. Step 6: Final answer
    x = 495,636.17

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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.