Home / 787,646.20-1,181,469.30-366,964.60

Finding the Fourth Proportional to 787,646.20, 1,181,469.30 and 366,964.60

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Solution

The fourth proportional to 787,646.20, 1,181,469.30 and 366,964.60 is: 550,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,646.20 : 1,181,469.30 = 366,964.60 : x
  2. Step 2: Convert to fraction form
    787,646.20/1,181,469.30 = 366,964.60/x
  3. Step 3: Cross multiply
    787,646.20x = 1,181,469.30 × 366,964.60
  4. Step 4: Simplify right side
    787,646.20x = 433,557,409,086.78
  5. Step 5: Solve for x
    x = 433,557,409,086.78/787,646.20
  6. Step 6: Final answer
    x = 550,446.90

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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.