Home / 863,064.62-1,294,595.07-231,978.43

Finding the Fourth Proportional to 863,064.62, 1,294,595.07 and 231,978.43

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Solution

The fourth proportional to 863,064.62, 1,294,595.07 and 231,978.43 is: 347,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,064.62 : 1,294,595.07 = 231,978.43 : x
  2. Step 2: Convert to fraction form
    863,064.62/1,294,595.07 = 231,978.43/x
  3. Step 3: Cross multiply
    863,064.62x = 1,294,595.07 × 231,978.43
  4. Step 4: Simplify right side
    863,064.62x = 300,318,131,824.34
  5. Step 5: Solve for x
    x = 300,318,131,824.34/863,064.62
  6. Step 6: Final answer
    x = 347,967.15

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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.