Home / 409,326.24-613,473.66-219,315.36

Finding the Fourth Proportional to 409,326.24, 613,473.66 and 219,315.36

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Solution

The fourth proportional to 409,326.24, 613,473.66 and 219,315.36 is: 328,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,326.24 : 613,473.66 = 219,315.36 : x
  2. Step 2: Convert to fraction form
    409,326.24/613,473.66 = 219,315.36/x
  3. Step 3: Cross multiply
    409,326.24x = 613,473.66 × 219,315.36
  4. Step 4: Simplify right side
    409,326.24x = 134,544,196,593.42
  5. Step 5: Solve for x
    x = 134,544,196,593.42/409,326.24
  6. Step 6: Final answer
    x = 328,696.73

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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.