Home / 667,842.44-1,002,156.78-247,411.40

Finding the Fourth Proportional to 667,842.44, 1,002,156.78 and 247,411.40

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Solution

The fourth proportional to 667,842.44, 1,002,156.78 and 247,411.40 is: 371,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,842.44 : 1,002,156.78 = 247,411.40 : x
  2. Step 2: Convert to fraction form
    667,842.44/1,002,156.78 = 247,411.40/x
  3. Step 3: Cross multiply
    667,842.44x = 1,002,156.78 × 247,411.40
  4. Step 4: Simplify right side
    667,842.44x = 247,945,011,959.29
  5. Step 5: Solve for x
    x = 247,945,011,959.29/667,842.44
  6. Step 6: Final answer
    x = 371,262.74

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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.