Home / 681,660.88-1,022,453.88-208,345.92

Finding the Fourth Proportional to 681,660.88, 1,022,453.88 and 208,345.92

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Solution

The fourth proportional to 681,660.88, 1,022,453.88 and 208,345.92 is: 312,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,660.88 : 1,022,453.88 = 208,345.92 : x
  2. Step 2: Convert to fraction form
    681,660.88/1,022,453.88 = 208,345.92/x
  3. Step 3: Cross multiply
    681,660.88x = 1,022,453.88 × 208,345.92
  4. Step 4: Simplify right side
    681,660.88x = 213,024,094,286.17
  5. Step 5: Solve for x
    x = 213,024,094,286.17/681,660.88
  6. Step 6: Final answer
    x = 312,507.44

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1.5x scale

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.