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Finding the Fourth Proportional to 636,595.89, 954,879.96 and 299,449.66

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Solution

The fourth proportional to 636,595.89, 954,879.96 and 299,449.66 is: 449,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,595.89 : 954,879.96 = 299,449.66 : x
  2. Step 2: Convert to fraction form
    636,595.89/954,879.96 = 299,449.66/x
  3. Step 3: Cross multiply
    636,595.89x = 954,879.96 × 299,449.66
  4. Step 4: Simplify right side
    636,595.89x = 285,938,480,890.15
  5. Step 5: Solve for x
    x = 285,938,480,890.15/636,595.89
  6. Step 6: Final answer
    x = 449,167.97

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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.