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Finding the Fourth Proportional to 659,323.20, 988,984.80 and 598,305.90

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Solution

The fourth proportional to 659,323.20, 988,984.80 and 598,305.90 is: 897,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,323.20 : 988,984.80 = 598,305.90 : x
  2. Step 2: Convert to fraction form
    659,323.20/988,984.80 = 598,305.90/x
  3. Step 3: Cross multiply
    659,323.20x = 988,984.80 × 598,305.90
  4. Step 4: Simplify right side
    659,323.20x = 591,715,440,850.32
  5. Step 5: Solve for x
    x = 591,715,440,850.32/659,323.20
  6. Step 6: Final answer
    x = 897,458.85

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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.