Home / 787,651.32-1,181,663.22-255,171.48

Finding the Fourth Proportional to 787,651.32, 1,181,663.22 and 255,171.48

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Solution

The fourth proportional to 787,651.32, 1,181,663.22 and 255,171.48 is: 382,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,651.32 : 1,181,663.22 = 255,171.48 : x
  2. Step 2: Convert to fraction form
    787,651.32/1,181,663.22 = 255,171.48/x
  3. Step 3: Cross multiply
    787,651.32x = 1,181,663.22 × 255,171.48
  4. Step 4: Simplify right side
    787,651.32x = 301,526,752,708.97
  5. Step 5: Solve for x
    x = 301,526,752,708.97/787,651.32
  6. Step 6: Final answer
    x = 382,817.56

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1.5x scale

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.