Home / 729.03-1,093.85-317.96

Finding the Fourth Proportional to 729.03, 1,093.85 and 317.96

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Solution

The fourth proportional to 729.03, 1,093.85 and 317.96 is: 477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.03 : 1,093.85 = 317.96 : x
  2. Step 2: Convert to fraction form
    729.03/1,093.85 = 317.96/x
  3. Step 3: Cross multiply
    729.03x = 1,093.85 × 317.96
  4. Step 4: Simplify right side
    729.03x = 347,800.55
  5. Step 5: Solve for x
    x = 347,800.55/729.03
  6. Step 6: Final answer
    x = 477.07

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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.