Home / 689,871.20-1,034,191.20-269,049.20

Finding the Fourth Proportional to 689,871.20, 1,034,191.20 and 269,049.20

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Solution

The fourth proportional to 689,871.20, 1,034,191.20 and 269,049.20 is: 403,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,871.20 : 1,034,191.20 = 269,049.20 : x
  2. Step 2: Convert to fraction form
    689,871.20/1,034,191.20 = 269,049.20/x
  3. Step 3: Cross multiply
    689,871.20x = 1,034,191.20 × 269,049.20
  4. Step 4: Simplify right side
    689,871.20x = 278,248,315,007.04
  5. Step 5: Solve for x
    x = 278,248,315,007.04/689,871.20
  6. Step 6: Final answer
    x = 403,333.72

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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.