Home / 591,178.56-815,829.60-322,906.56

Finding the Fourth Proportional to 591,178.56, 815,829.60 and 322,906.56

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Solution

The fourth proportional to 591,178.56, 815,829.60 and 322,906.56 is: 445,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,178.56 : 815,829.60 = 322,906.56 : x
  2. Step 2: Convert to fraction form
    591,178.56/815,829.60 = 322,906.56/x
  3. Step 3: Cross multiply
    591,178.56x = 815,829.60 × 322,906.56
  4. Step 4: Simplify right side
    591,178.56x = 263,436,729,682.18
  5. Step 5: Solve for x
    x = 263,436,729,682.18/591,178.56
  6. Step 6: Final answer
    x = 445,612.79

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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.