Home / 787,554.90-1,181,520.54-255,076.56

Finding the Fourth Proportional to 787,554.90, 1,181,520.54 and 255,076.56

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Solution

The fourth proportional to 787,554.90, 1,181,520.54 and 255,076.56 is: 382,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,554.90 : 1,181,520.54 = 255,076.56 : x
  2. Step 2: Convert to fraction form
    787,554.90/1,181,520.54 = 255,076.56/x
  3. Step 3: Cross multiply
    787,554.90x = 1,181,520.54 × 255,076.56
  4. Step 4: Simplify right side
    787,554.90x = 301,378,194,912.54
  5. Step 5: Solve for x
    x = 301,378,194,912.54/787,554.90
  6. Step 6: Final answer
    x = 382,675.79

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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.