Home / 888,148.30-1,330,691.55-413,860.90

Finding the Fourth Proportional to 888,148.30, 1,330,691.55 and 413,860.90

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Solution

The fourth proportional to 888,148.30, 1,330,691.55 and 413,860.90 is: 620,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,148.30 : 1,330,691.55 = 413,860.90 : x
  2. Step 2: Convert to fraction form
    888,148.30/1,330,691.55 = 413,860.90/x
  3. Step 3: Cross multiply
    888,148.30x = 1,330,691.55 × 413,860.90
  4. Step 4: Simplify right side
    888,148.30x = 550,721,202,505.40
  5. Step 5: Solve for x
    x = 550,721,202,505.40/888,148.30
  6. Step 6: Final answer
    x = 620,077.98

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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.