Home / 862,193.06-1,293,289.86-263,157.56

Finding the Fourth Proportional to 862,193.06, 1,293,289.86 and 263,157.56

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Solution

The fourth proportional to 862,193.06, 1,293,289.86 and 263,157.56 is: 394,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,193.06 : 1,293,289.86 = 263,157.56 : x
  2. Step 2: Convert to fraction form
    862,193.06/1,293,289.86 = 263,157.56/x
  3. Step 3: Cross multiply
    862,193.06x = 1,293,289.86 × 263,157.56
  4. Step 4: Simplify right side
    862,193.06x = 340,339,003,930.34
  5. Step 5: Solve for x
    x = 340,339,003,930.34/862,193.06
  6. Step 6: Final answer
    x = 394,736.42

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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.