Home / 787,948.56-1,181,948.76-255,474

Finding the Fourth Proportional to 787,948.56, 1,181,948.76 and 255,474

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Solution

The fourth proportional to 787,948.56, 1,181,948.76 and 255,474 is: 383,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,948.56 : 1,181,948.76 = 255,474 : x
  2. Step 2: Convert to fraction form
    787,948.56/1,181,948.76 = 255,474/x
  3. Step 3: Cross multiply
    787,948.56x = 1,181,948.76 × 255,474
  4. Step 4: Simplify right side
    787,948.56x = 301,957,177,512.24
  5. Step 5: Solve for x
    x = 301,957,177,512.24/787,948.56
  6. Step 6: Final answer
    x = 383,219.40

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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.