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Finding the Fourth Proportional to 636,100.41, 952,780.42 and 298,635.38

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Solution

The fourth proportional to 636,100.41, 952,780.42 and 298,635.38 is: 447,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,100.41 : 952,780.42 = 298,635.38 : x
  2. Step 2: Convert to fraction form
    636,100.41/952,780.42 = 298,635.38/x
  3. Step 3: Cross multiply
    636,100.41x = 952,780.42 × 298,635.38
  4. Step 4: Simplify right side
    636,100.41x = 284,533,942,783.26
  5. Step 5: Solve for x
    x = 284,533,942,783.26/636,100.41
  6. Step 6: Final answer
    x = 447,309.79

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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.