Home / 863,806.36-1,192,078.02-481,824.88

Finding the Fourth Proportional to 863,806.36, 1,192,078.02 and 481,824.88

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Solution

The fourth proportional to 863,806.36, 1,192,078.02 and 481,824.88 is: 664,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,806.36 : 1,192,078.02 = 481,824.88 : x
  2. Step 2: Convert to fraction form
    863,806.36/1,192,078.02 = 481,824.88/x
  3. Step 3: Cross multiply
    863,806.36x = 1,192,078.02 × 481,824.88
  4. Step 4: Simplify right side
    863,806.36x = 574,372,848,937.14
  5. Step 5: Solve for x
    x = 574,372,848,937.14/863,806.36
  6. Step 6: Final answer
    x = 664,932.41

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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.