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Finding the Fourth Proportional to 488,657.38, 733,236.87 and 232,779.73

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Solution

The fourth proportional to 488,657.38, 733,236.87 and 232,779.73 is: 349,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,657.38 : 733,236.87 = 232,779.73 : x
  2. Step 2: Convert to fraction form
    488,657.38/733,236.87 = 232,779.73/x
  3. Step 3: Cross multiply
    488,657.38x = 733,236.87 × 232,779.73
  4. Step 4: Simplify right side
    488,657.38x = 170,682,680,624.65
  5. Step 5: Solve for x
    x = 170,682,680,624.65/488,657.38
  6. Step 6: Final answer
    x = 349,289.07

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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.