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Finding the Fourth Proportional to 980,404.56, 1,469,335.36 and 440,262

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Solution

The fourth proportional to 980,404.56, 1,469,335.36 and 440,262 is: 659,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,404.56 : 1,469,335.36 = 440,262 : x
  2. Step 2: Convert to fraction form
    980,404.56/1,469,335.36 = 440,262/x
  3. Step 3: Cross multiply
    980,404.56x = 1,469,335.36 × 440,262
  4. Step 4: Simplify right side
    980,404.56x = 646,892,524,264.32
  5. Step 5: Solve for x
    x = 646,892,524,264.32/980,404.56
  6. Step 6: Final answer
    x = 659,822.03

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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.