Home / 667,396.20-1,000,889.78-240,879.94

Finding the Fourth Proportional to 667,396.20, 1,000,889.78 and 240,879.94

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Solution

The fourth proportional to 667,396.20, 1,000,889.78 and 240,879.94 is: 361,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,396.20 : 1,000,889.78 = 240,879.94 : x
  2. Step 2: Convert to fraction form
    667,396.20/1,000,889.78 = 240,879.94/x
  3. Step 3: Cross multiply
    667,396.20x = 1,000,889.78 × 240,879.94
  4. Step 4: Simplify right side
    667,396.20x = 241,094,268,192.61
  5. Step 5: Solve for x
    x = 241,094,268,192.61/667,396.20
  6. Step 6: Final answer
    x = 361,246.09

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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.