Home / 828,781.70-1,243,049.36-229,680.40

Finding the Fourth Proportional to 828,781.70, 1,243,049.36 and 229,680.40

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Solution

The fourth proportional to 828,781.70, 1,243,049.36 and 229,680.40 is: 344,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,781.70 : 1,243,049.36 = 229,680.40 : x
  2. Step 2: Convert to fraction form
    828,781.70/1,243,049.36 = 229,680.40/x
  3. Step 3: Cross multiply
    828,781.70x = 1,243,049.36 × 229,680.40
  4. Step 4: Simplify right side
    828,781.70x = 285,504,074,224.54
  5. Step 5: Solve for x
    x = 285,504,074,224.54/828,781.70
  6. Step 6: Final answer
    x = 344,486.46

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Double scale
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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.