Home / 824,579.16-1,236,851.22-225,540.36

Finding the Fourth Proportional to 824,579.16, 1,236,851.22 and 225,540.36

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Solution

The fourth proportional to 824,579.16, 1,236,851.22 and 225,540.36 is: 338,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,579.16 : 1,236,851.22 = 225,540.36 : x
  2. Step 2: Convert to fraction form
    824,579.16/1,236,851.22 = 225,540.36/x
  3. Step 3: Cross multiply
    824,579.16x = 1,236,851.22 × 225,540.36
  4. Step 4: Simplify right side
    824,579.16x = 278,959,869,425.24
  5. Step 5: Solve for x
    x = 278,959,869,425.24/824,579.16
  6. Step 6: Final answer
    x = 338,305.75

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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.