Home / 828,982.72-1,243,473.96-229,943.89

Finding the Fourth Proportional to 828,982.72, 1,243,473.96 and 229,943.89

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Solution

The fourth proportional to 828,982.72, 1,243,473.96 and 229,943.89 is: 344,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,982.72 : 1,243,473.96 = 229,943.89 : x
  2. Step 2: Convert to fraction form
    828,982.72/1,243,473.96 = 229,943.89/x
  3. Step 3: Cross multiply
    828,982.72x = 1,243,473.96 × 229,943.89
  4. Step 4: Simplify right side
    828,982.72x = 285,929,239,476.10
  5. Step 5: Solve for x
    x = 285,929,239,476.10/828,982.72
  6. Step 6: Final answer
    x = 344,915.80

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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.