Home / 432,317.71-648,872.07-219,232.68

Finding the Fourth Proportional to 432,317.71, 648,872.07 and 219,232.68

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Solution

The fourth proportional to 432,317.71, 648,872.07 and 219,232.68 is: 329,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,317.71 : 648,872.07 = 219,232.68 : x
  2. Step 2: Convert to fraction form
    432,317.71/648,872.07 = 219,232.68/x
  3. Step 3: Cross multiply
    432,317.71x = 648,872.07 × 219,232.68
  4. Step 4: Simplify right side
    432,317.71x = 142,253,959,627.86
  5. Step 5: Solve for x
    x = 142,253,959,627.86/432,317.71
  6. Step 6: Final answer
    x = 329,049.58

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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.