Home / 723,932.73-1,085,253.82-274,968.88

Finding the Fourth Proportional to 723,932.73, 1,085,253.82 and 274,968.88

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Solution

The fourth proportional to 723,932.73, 1,085,253.82 and 274,968.88 is: 412,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,932.73 : 1,085,253.82 = 274,968.88 : x
  2. Step 2: Convert to fraction form
    723,932.73/1,085,253.82 = 274,968.88/x
  3. Step 3: Cross multiply
    723,932.73x = 1,085,253.82 × 274,968.88
  4. Step 4: Simplify right side
    723,932.73x = 298,411,027,401.12
  5. Step 5: Solve for x
    x = 298,411,027,401.12/723,932.73
  6. Step 6: Final answer
    x = 412,208.23

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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.