Home / 409,632.20-613,872.30-325,536.20

Finding the Fourth Proportional to 409,632.20, 613,872.30 and 325,536.20

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Solution

The fourth proportional to 409,632.20, 613,872.30 and 325,536.20 is: 487,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,632.20 : 613,872.30 = 325,536.20 : x
  2. Step 2: Convert to fraction form
    409,632.20/613,872.30 = 325,536.20/x
  3. Step 3: Cross multiply
    409,632.20x = 613,872.30 × 325,536.20
  4. Step 4: Simplify right side
    409,632.20x = 199,837,655,827.26
  5. Step 5: Solve for x
    x = 199,837,655,827.26/409,632.20
  6. Step 6: Final answer
    x = 487,846.55

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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.