Home / 840,626.38-1,260,846.14-300,860.88

Finding the Fourth Proportional to 840,626.38, 1,260,846.14 and 300,860.88

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Solution

The fourth proportional to 840,626.38, 1,260,846.14 and 300,860.88 is: 451,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,626.38 : 1,260,846.14 = 300,860.88 : x
  2. Step 2: Convert to fraction form
    840,626.38/1,260,846.14 = 300,860.88/x
  3. Step 3: Cross multiply
    840,626.38x = 1,260,846.14 × 300,860.88
  4. Step 4: Simplify right side
    840,626.38x = 379,339,279,225.00
  5. Step 5: Solve for x
    x = 379,339,279,225.00/840,626.38
  6. Step 6: Final answer
    x = 451,257.88

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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.