Home / 777,211.45-1,165,981.20-244,786.30

Finding the Fourth Proportional to 777,211.45, 1,165,981.20 and 244,786.30

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Solution

The fourth proportional to 777,211.45, 1,165,981.20 and 244,786.30 is: 367,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,211.45 : 1,165,981.20 = 244,786.30 : x
  2. Step 2: Convert to fraction form
    777,211.45/1,165,981.20 = 244,786.30/x
  3. Step 3: Cross multiply
    777,211.45x = 1,165,981.20 × 244,786.30
  4. Step 4: Simplify right side
    777,211.45x = 285,416,223,817.56
  5. Step 5: Solve for x
    x = 285,416,223,817.56/777,211.45
  6. Step 6: Final answer
    x = 367,231.11

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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.