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Finding the Fourth Proportional to 659,264.40, 988,896.60 and 238,441.86

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Solution

The fourth proportional to 659,264.40, 988,896.60 and 238,441.86 is: 357,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,264.40 : 988,896.60 = 238,441.86 : x
  2. Step 2: Convert to fraction form
    659,264.40/988,896.60 = 238,441.86/x
  3. Step 3: Cross multiply
    659,264.40x = 988,896.60 × 238,441.86
  4. Step 4: Simplify right side
    659,264.40x = 235,794,344,651.68
  5. Step 5: Solve for x
    x = 235,794,344,651.68/659,264.40
  6. Step 6: Final answer
    x = 357,662.79

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Similar ratio
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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.