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Finding the Fourth Proportional to 636,099.41, 952,778.93 and 298,634.38

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Solution

The fourth proportional to 636,099.41, 952,778.93 and 298,634.38 is: 447,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,099.41 : 952,778.93 = 298,634.38 : x
  2. Step 2: Convert to fraction form
    636,099.41/952,778.93 = 298,634.38/x
  3. Step 3: Cross multiply
    636,099.41x = 952,778.93 × 298,634.38
  4. Step 4: Simplify right side
    636,099.41x = 284,532,541,162.49
  5. Step 5: Solve for x
    x = 284,532,541,162.49/636,099.41
  6. Step 6: Final answer
    x = 447,308.29

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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.