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Finding the Fourth Proportional to 844,605.52, 1,266,643.05 and 275,857.03

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Solution

The fourth proportional to 844,605.52, 1,266,643.05 and 275,857.03 is: 413,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,605.52 : 1,266,643.05 = 275,857.03 : x
  2. Step 2: Convert to fraction form
    844,605.52/1,266,643.05 = 275,857.03/x
  3. Step 3: Cross multiply
    844,605.52x = 1,266,643.05 × 275,857.03
  4. Step 4: Simplify right side
    844,605.52x = 349,412,389,843.14
  5. Step 5: Solve for x
    x = 349,412,389,843.14/844,605.52
  6. Step 6: Final answer
    x = 413,698.92

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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.