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Finding the Fourth Proportional to 844,061.85, 1,266,294.19 and 275,444

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Solution

The fourth proportional to 844,061.85, 1,266,294.19 and 275,444 is: 413,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,061.85 : 1,266,294.19 = 275,444 : x
  2. Step 2: Convert to fraction form
    844,061.85/1,266,294.19 = 275,444/x
  3. Step 3: Cross multiply
    844,061.85x = 1,266,294.19 × 275,444
  4. Step 4: Simplify right side
    844,061.85x = 348,793,136,870.36
  5. Step 5: Solve for x
    x = 348,793,136,870.36/844,061.85
  6. Step 6: Final answer
    x = 413,231.73

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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.