Home / 681,672.55-1,022,557.43-208,357.15

Finding the Fourth Proportional to 681,672.55, 1,022,557.43 and 208,357.15

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Solution

The fourth proportional to 681,672.55, 1,022,557.43 and 208,357.15 is: 312,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,672.55 : 1,022,557.43 = 208,357.15 : x
  2. Step 2: Convert to fraction form
    681,672.55/1,022,557.43 = 208,357.15/x
  3. Step 3: Cross multiply
    681,672.55x = 1,022,557.43 × 208,357.15
  4. Step 4: Simplify right side
    681,672.55x = 213,057,150,784.34
  5. Step 5: Solve for x
    x = 213,057,150,784.34/681,672.55
  6. Step 6: Final answer
    x = 312,550.58

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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.