Home / 863,892.92-1,296,233.22-443,464.28

Finding the Fourth Proportional to 863,892.92, 1,296,233.22 and 443,464.28

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Solution

The fourth proportional to 863,892.92, 1,296,233.22 and 443,464.28 is: 665,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,892.92 : 1,296,233.22 = 443,464.28 : x
  2. Step 2: Convert to fraction form
    863,892.92/1,296,233.22 = 443,464.28/x
  3. Step 3: Cross multiply
    863,892.92x = 1,296,233.22 × 443,464.28
  4. Step 4: Simplify right side
    863,892.92x = 574,833,131,619.38
  5. Step 5: Solve for x
    x = 574,833,131,619.38/863,892.92
  6. Step 6: Final answer
    x = 665,398.59

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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.