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Finding the Fourth Proportional to 709.75, 1,063.60 and 504.73

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Solution

The fourth proportional to 709.75, 1,063.60 and 504.73 is: 756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    709.75 : 1,063.60 = 504.73 : x
  2. Step 2: Convert to fraction form
    709.75/1,063.60 = 504.73/x
  3. Step 3: Cross multiply
    709.75x = 1,063.60 × 504.73
  4. Step 4: Simplify right side
    709.75x = 536,830.83
  5. Step 5: Solve for x
    x = 536,830.83/709.75
  6. Step 6: Final answer
    x = 756.37

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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.