Home / 828,676.35-1,243,010.97-229,635.78

Finding the Fourth Proportional to 828,676.35, 1,243,010.97 and 229,635.78

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Solution

The fourth proportional to 828,676.35, 1,243,010.97 and 229,635.78 is: 344,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,676.35 : 1,243,010.97 = 229,635.78 : x
  2. Step 2: Convert to fraction form
    828,676.35/1,243,010.97 = 229,635.78/x
  3. Step 3: Cross multiply
    828,676.35x = 1,243,010.97 × 229,635.78
  4. Step 4: Simplify right side
    828,676.35x = 285,439,793,644.51
  5. Step 5: Solve for x
    x = 285,439,793,644.51/828,676.35
  6. Step 6: Final answer
    x = 344,452.69

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1.5x scale

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.