Home / 828,665.20-1,243,060.44-229,619.44

Finding the Fourth Proportional to 828,665.20, 1,243,060.44 and 229,619.44

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Solution

The fourth proportional to 828,665.20, 1,243,060.44 and 229,619.44 is: 344,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,665.20 : 1,243,060.44 = 229,619.44 : x
  2. Step 2: Convert to fraction form
    828,665.20/1,243,060.44 = 229,619.44/x
  3. Step 3: Cross multiply
    828,665.20x = 1,243,060.44 × 229,619.44
  4. Step 4: Simplify right side
    828,665.20x = 285,430,842,118.95
  5. Step 5: Solve for x
    x = 285,430,842,118.95/828,665.20
  6. Step 6: Final answer
    x = 344,446.52

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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.