Home / 681,934.01-1,022,864.04-208,619.41

Finding the Fourth Proportional to 681,934.01, 1,022,864.04 and 208,619.41

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Solution

The fourth proportional to 681,934.01, 1,022,864.04 and 208,619.41 is: 312,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,934.01 : 1,022,864.04 = 208,619.41 : x
  2. Step 2: Convert to fraction form
    681,934.01/1,022,864.04 = 208,619.41/x
  3. Step 3: Cross multiply
    681,934.01x = 1,022,864.04 × 208,619.41
  4. Step 4: Simplify right side
    681,934.01x = 213,389,292,535.02
  5. Step 5: Solve for x
    x = 213,389,292,535.02/681,934.01
  6. Step 6: Final answer
    x = 312,917.80

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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.