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Finding the Fourth Proportional to 1,204.06, 1,805.89 and 473.85

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Solution

The fourth proportional to 1,204.06, 1,805.89 and 473.85 is: 710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.06 : 1,805.89 = 473.85 : x
  2. Step 2: Convert to fraction form
    1,204.06/1,805.89 = 473.85/x
  3. Step 3: Cross multiply
    1,204.06x = 1,805.89 × 473.85
  4. Step 4: Simplify right side
    1,204.06x = 855,720.98
  5. Step 5: Solve for x
    x = 855,720.98/1,204.06
  6. Step 6: Final answer
    x = 710.70

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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.