Home / 844,018.20-1,266,029.36-212,932.02

Finding the Fourth Proportional to 844,018.20, 1,266,029.36 and 212,932.02

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Solution

The fourth proportional to 844,018.20, 1,266,029.36 and 212,932.02 is: 319,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,018.20 : 1,266,029.36 = 212,932.02 : x
  2. Step 2: Convert to fraction form
    844,018.20/1,266,029.36 = 212,932.02/x
  3. Step 3: Cross multiply
    844,018.20x = 1,266,029.36 × 212,932.02
  4. Step 4: Simplify right side
    844,018.20x = 269,578,189,004.11
  5. Step 5: Solve for x
    x = 269,578,189,004.11/844,018.20
  6. Step 6: Final answer
    x = 319,398.55

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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.