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Finding the Fourth Proportional to 637,765.96, 956,766.62 and 263,818.12

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Solution

The fourth proportional to 637,765.96, 956,766.62 and 263,818.12 is: 395,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,765.96 : 956,766.62 = 263,818.12 : x
  2. Step 2: Convert to fraction form
    637,765.96/956,766.62 = 263,818.12/x
  3. Step 3: Cross multiply
    637,765.96x = 956,766.62 × 263,818.12
  4. Step 4: Simplify right side
    637,765.96x = 252,412,370,967.15
  5. Step 5: Solve for x
    x = 252,412,370,967.15/637,765.96
  6. Step 6: Final answer
    x = 395,775.86

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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.