Home / 755,469.89-1,133,249.24-215,684.67

Finding the Fourth Proportional to 755,469.89, 1,133,249.24 and 215,684.67

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Solution

The fourth proportional to 755,469.89, 1,133,249.24 and 215,684.67 is: 323,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,469.89 : 1,133,249.24 = 215,684.67 : x
  2. Step 2: Convert to fraction form
    755,469.89/1,133,249.24 = 215,684.67/x
  3. Step 3: Cross multiply
    755,469.89x = 1,133,249.24 × 215,684.67
  4. Step 4: Simplify right side
    755,469.89x = 244,424,487,278.73
  5. Step 5: Solve for x
    x = 244,424,487,278.73/755,469.89
  6. Step 6: Final answer
    x = 323,539.68

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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.