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Finding the Fourth Proportional to 1,481.83, 2,223.11 and 507.94

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Solution

The fourth proportional to 1,481.83, 2,223.11 and 507.94 is: 762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.83 : 2,223.11 = 507.94 : x
  2. Step 2: Convert to fraction form
    1,481.83/2,223.11 = 507.94/x
  3. Step 3: Cross multiply
    1,481.83x = 2,223.11 × 507.94
  4. Step 4: Simplify right side
    1,481.83x = 1,129,202.21
  5. Step 5: Solve for x
    x = 1,129,202.21/1,481.83
  6. Step 6: Final answer
    x = 762.03

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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.