Home / 787,282.38-1,181,110.96-254,803.42

Finding the Fourth Proportional to 787,282.38, 1,181,110.96 and 254,803.42

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Solution

The fourth proportional to 787,282.38, 1,181,110.96 and 254,803.42 is: 382,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,282.38 : 1,181,110.96 = 254,803.42 : x
  2. Step 2: Convert to fraction form
    787,282.38/1,181,110.96 = 254,803.42/x
  3. Step 3: Cross multiply
    787,282.38x = 1,181,110.96 × 254,803.42
  4. Step 4: Simplify right side
    787,282.38x = 300,951,112,007.48
  5. Step 5: Solve for x
    x = 300,951,112,007.48/787,282.38
  6. Step 6: Final answer
    x = 382,265.78

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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.