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Finding the Fourth Proportional to 863,959.72, 1,295,791.88 and 232,725.90

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Solution

The fourth proportional to 863,959.72, 1,295,791.88 and 232,725.90 is: 349,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,959.72 : 1,295,791.88 = 232,725.90 : x
  2. Step 2: Convert to fraction form
    863,959.72/1,295,791.88 = 232,725.90/x
  3. Step 3: Cross multiply
    863,959.72x = 1,295,791.88 × 232,725.90
  4. Step 4: Simplify right side
    863,959.72x = 301,564,331,485.69
  5. Step 5: Solve for x
    x = 301,564,331,485.69/863,959.72
  6. Step 6: Final answer
    x = 349,049.06

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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.