Home / 694,927.80-1,042,391.70-491,974.20

Finding the Fourth Proportional to 694,927.80, 1,042,391.70 and 491,974.20

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Solution

The fourth proportional to 694,927.80, 1,042,391.70 and 491,974.20 is: 737,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,927.80 : 1,042,391.70 = 491,974.20 : x
  2. Step 2: Convert to fraction form
    694,927.80/1,042,391.70 = 491,974.20/x
  3. Step 3: Cross multiply
    694,927.80x = 1,042,391.70 × 491,974.20
  4. Step 4: Simplify right side
    694,927.80x = 512,829,822,694.14
  5. Step 5: Solve for x
    x = 512,829,822,694.14/694,927.80
  6. Step 6: Final answer
    x = 737,961.30

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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.