Home / 432,285.26-647,099.15-368,512.34

Finding the Fourth Proportional to 432,285.26, 647,099.15 and 368,512.34

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Solution

The fourth proportional to 432,285.26, 647,099.15 and 368,512.34 is: 551,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,285.26 : 647,099.15 = 368,512.34 : x
  2. Step 2: Convert to fraction form
    432,285.26/647,099.15 = 368,512.34/x
  3. Step 3: Cross multiply
    432,285.26x = 647,099.15 × 368,512.34
  4. Step 4: Simplify right side
    432,285.26x = 238,464,016,900.45
  5. Step 5: Solve for x
    x = 238,464,016,900.45/432,285.26
  6. Step 6: Final answer
    x = 551,635.79

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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.