Home / 827,008.80-1,239,857.10-453,031.80

Finding the Fourth Proportional to 827,008.80, 1,239,857.10 and 453,031.80

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Solution

The fourth proportional to 827,008.80, 1,239,857.10 and 453,031.80 is: 679,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,008.80 : 1,239,857.10 = 453,031.80 : x
  2. Step 2: Convert to fraction form
    827,008.80/1,239,857.10 = 453,031.80/x
  3. Step 3: Cross multiply
    827,008.80x = 1,239,857.10 × 453,031.80
  4. Step 4: Simplify right side
    827,008.80x = 561,694,693,755.78
  5. Step 5: Solve for x
    x = 561,694,693,755.78/827,008.80
  6. Step 6: Final answer
    x = 679,188.29

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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.