Home / 681,924.27-1,022,849.30-208,609.63

Finding the Fourth Proportional to 681,924.27, 1,022,849.30 and 208,609.63

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Solution

The fourth proportional to 681,924.27, 1,022,849.30 and 208,609.63 is: 312,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,924.27 : 1,022,849.30 = 208,609.63 : x
  2. Step 2: Convert to fraction form
    681,924.27/1,022,849.30 = 208,609.63/x
  3. Step 3: Cross multiply
    681,924.27x = 1,022,849.30 × 208,609.63
  4. Step 4: Simplify right side
    681,924.27x = 213,376,211,983.16
  5. Step 5: Solve for x
    x = 213,376,211,983.16/681,924.27
  6. Step 6: Final answer
    x = 312,903.09

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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.