Home / 828,764.15-1,243,023.19-229,662.84

Finding the Fourth Proportional to 828,764.15, 1,243,023.19 and 229,662.84

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Solution

The fourth proportional to 828,764.15, 1,243,023.19 and 229,662.84 is: 344,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,764.15 : 1,243,023.19 = 229,662.84 : x
  2. Step 2: Convert to fraction form
    828,764.15/1,243,023.19 = 229,662.84/x
  3. Step 3: Cross multiply
    828,764.15x = 1,243,023.19 × 229,662.84
  4. Step 4: Simplify right side
    828,764.15x = 285,476,236,001.26
  5. Step 5: Solve for x
    x = 285,476,236,001.26/828,764.15
  6. Step 6: Final answer
    x = 344,460.17

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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.