Home / 681,537.96-1,022,462.46-208,290.60

Finding the Fourth Proportional to 681,537.96, 1,022,462.46 and 208,290.60

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Solution

The fourth proportional to 681,537.96, 1,022,462.46 and 208,290.60 is: 312,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,537.96 : 1,022,462.46 = 208,290.60 : x
  2. Step 2: Convert to fraction form
    681,537.96/1,022,462.46 = 208,290.60/x
  3. Step 3: Cross multiply
    681,537.96x = 1,022,462.46 × 208,290.60
  4. Step 4: Simplify right side
    681,537.96x = 212,969,319,270.88
  5. Step 5: Solve for x
    x = 212,969,319,270.88/681,537.96
  6. Step 6: Final answer
    x = 312,483.43

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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.