Home / 667,998.40-1,001,997.60-294,750.40

Finding the Fourth Proportional to 667,998.40, 1,001,997.60 and 294,750.40

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Solution

The fourth proportional to 667,998.40, 1,001,997.60 and 294,750.40 is: 442,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,998.40 : 1,001,997.60 = 294,750.40 : x
  2. Step 2: Convert to fraction form
    667,998.40/1,001,997.60 = 294,750.40/x
  3. Step 3: Cross multiply
    667,998.40x = 1,001,997.60 × 294,750.40
  4. Step 4: Simplify right side
    667,998.40x = 295,339,193,399.04
  5. Step 5: Solve for x
    x = 295,339,193,399.04/667,998.40
  6. Step 6: Final answer
    x = 442,125.60

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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.