Home / 828,984.01-1,243,475.94-229,945.20

Finding the Fourth Proportional to 828,984.01, 1,243,475.94 and 229,945.20

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Solution

The fourth proportional to 828,984.01, 1,243,475.94 and 229,945.20 is: 344,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,984.01 : 1,243,475.94 = 229,945.20 : x
  2. Step 2: Convert to fraction form
    828,984.01/1,243,475.94 = 229,945.20/x
  3. Step 3: Cross multiply
    828,984.01x = 1,243,475.94 × 229,945.20
  4. Step 4: Simplify right side
    828,984.01x = 285,931,323,718.49
  5. Step 5: Solve for x
    x = 285,931,323,718.49/828,984.01
  6. Step 6: Final answer
    x = 344,917.78

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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.