Home / 765,773.72-1,148,660.31-204,793.64

Finding the Fourth Proportional to 765,773.72, 1,148,660.31 and 204,793.64

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Solution

The fourth proportional to 765,773.72, 1,148,660.31 and 204,793.64 is: 307,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,773.72 : 1,148,660.31 = 204,793.64 : x
  2. Step 2: Convert to fraction form
    765,773.72/1,148,660.31 = 204,793.64/x
  3. Step 3: Cross multiply
    765,773.72x = 1,148,660.31 × 204,793.64
  4. Step 4: Simplify right side
    765,773.72x = 235,238,326,008.43
  5. Step 5: Solve for x
    x = 235,238,326,008.43/765,773.72
  6. Step 6: Final answer
    x = 307,190.39

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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.