Home / 667,853.70-1,001,531.47-268,359.27

Finding the Fourth Proportional to 667,853.70, 1,001,531.47 and 268,359.27

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Solution

The fourth proportional to 667,853.70, 1,001,531.47 and 268,359.27 is: 402,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,853.70 : 1,001,531.47 = 268,359.27 : x
  2. Step 2: Convert to fraction form
    667,853.70/1,001,531.47 = 268,359.27/x
  3. Step 3: Cross multiply
    667,853.70x = 1,001,531.47 × 268,359.27
  4. Step 4: Simplify right side
    667,853.70x = 268,770,254,171.23
  5. Step 5: Solve for x
    x = 268,770,254,171.23/667,853.70
  6. Step 6: Final answer
    x = 402,438.82

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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.