Home / 828,767.21-1,243,027.79-229,665.90

Finding the Fourth Proportional to 828,767.21, 1,243,027.79 and 229,665.90

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Solution

The fourth proportional to 828,767.21, 1,243,027.79 and 229,665.90 is: 344,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,767.21 : 1,243,027.79 = 229,665.90 : x
  2. Step 2: Convert to fraction form
    828,767.21/1,243,027.79 = 229,665.90/x
  3. Step 3: Cross multiply
    828,767.21x = 1,243,027.79 × 229,665.90
  4. Step 4: Simplify right side
    828,767.21x = 285,481,093,497.60
  5. Step 5: Solve for x
    x = 285,481,093,497.60/828,767.21
  6. Step 6: Final answer
    x = 344,464.75

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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.