Home / 863,826.21-1,192,082.09-481,877.73

Finding the Fourth Proportional to 863,826.21, 1,192,082.09 and 481,877.73

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Solution

The fourth proportional to 863,826.21, 1,192,082.09 and 481,877.73 is: 664,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,826.21 : 1,192,082.09 = 481,877.73 : x
  2. Step 2: Convert to fraction form
    863,826.21/1,192,082.09 = 481,877.73/x
  3. Step 3: Cross multiply
    863,826.21x = 1,192,082.09 × 481,877.73
  4. Step 4: Simplify right side
    863,826.21x = 574,437,809,093.47
  5. Step 5: Solve for x
    x = 574,437,809,093.47/863,826.21
  6. Step 6: Final answer
    x = 664,992.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.