Home / 667,446.60-1,001,256.30-330,659.40

Finding the Fourth Proportional to 667,446.60, 1,001,256.30 and 330,659.40

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Solution

The fourth proportional to 667,446.60, 1,001,256.30 and 330,659.40 is: 496,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,446.60 : 1,001,256.30 = 330,659.40 : x
  2. Step 2: Convert to fraction form
    667,446.60/1,001,256.30 = 330,659.40/x
  3. Step 3: Cross multiply
    667,446.60x = 1,001,256.30 × 330,659.40
  4. Step 4: Simplify right side
    667,446.60x = 331,074,807,404.22
  5. Step 5: Solve for x
    x = 331,074,807,404.22/667,446.60
  6. Step 6: Final answer
    x = 496,031.90

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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.