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Finding the Fourth Proportional to 797,700.78, 1,195,553.30 and 398,453

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Solution

The fourth proportional to 797,700.78, 1,195,553.30 and 398,453 is: 597,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,700.78 : 1,195,553.30 = 398,453 : x
  2. Step 2: Convert to fraction form
    797,700.78/1,195,553.30 = 398,453/x
  3. Step 3: Cross multiply
    797,700.78x = 1,195,553.30 × 398,453
  4. Step 4: Simplify right side
    797,700.78x = 476,371,799,044.90
  5. Step 5: Solve for x
    x = 476,371,799,044.90/797,700.78
  6. Step 6: Final answer
    x = 597,181.06

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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.