Home / 787,540.56-1,181,297.16-255,062.55

Finding the Fourth Proportional to 787,540.56, 1,181,297.16 and 255,062.55

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Solution

The fourth proportional to 787,540.56, 1,181,297.16 and 255,062.55 is: 382,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,540.56 : 1,181,297.16 = 255,062.55 : x
  2. Step 2: Convert to fraction form
    787,540.56/1,181,297.16 = 255,062.55/x
  3. Step 3: Cross multiply
    787,540.56x = 1,181,297.16 × 255,062.55
  4. Step 4: Simplify right side
    787,540.56x = 301,304,665,937.36
  5. Step 5: Solve for x
    x = 301,304,665,937.36/787,540.56
  6. Step 6: Final answer
    x = 382,589.39

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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.