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Finding the Fourth Proportional to 647,882.02, 972,103.71 and 348,012.73

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Solution

The fourth proportional to 647,882.02, 972,103.71 and 348,012.73 is: 522,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,882.02 : 972,103.71 = 348,012.73 : x
  2. Step 2: Convert to fraction form
    647,882.02/972,103.71 = 348,012.73/x
  3. Step 3: Cross multiply
    647,882.02x = 972,103.71 × 348,012.73
  4. Step 4: Simplify right side
    647,882.02x = 338,304,465,960.23
  5. Step 5: Solve for x
    x = 338,304,465,960.23/647,882.02
  6. Step 6: Final answer
    x = 522,169.86

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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.