Home / 828,983.72-1,243,475.46-229,944.90

Finding the Fourth Proportional to 828,983.72, 1,243,475.46 and 229,944.90

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Solution

The fourth proportional to 828,983.72, 1,243,475.46 and 229,944.90 is: 344,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,983.72 : 1,243,475.46 = 229,944.90 : x
  2. Step 2: Convert to fraction form
    828,983.72/1,243,475.46 = 229,944.90/x
  3. Step 3: Cross multiply
    828,983.72x = 1,243,475.46 × 229,944.90
  4. Step 4: Simplify right side
    828,983.72x = 285,930,840,302.15
  5. Step 5: Solve for x
    x = 285,930,840,302.15/828,983.72
  6. Step 6: Final answer
    x = 344,917.32

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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.