Home / 681,937.70-1,022,869.57-208,623.10

Finding the Fourth Proportional to 681,937.70, 1,022,869.57 and 208,623.10

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Solution

The fourth proportional to 681,937.70, 1,022,869.57 and 208,623.10 is: 312,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,937.70 : 1,022,869.57 = 208,623.10 : x
  2. Step 2: Convert to fraction form
    681,937.70/1,022,869.57 = 208,623.10/x
  3. Step 3: Cross multiply
    681,937.70x = 1,022,869.57 × 208,623.10
  4. Step 4: Simplify right side
    681,937.70x = 213,394,220,589.07
  5. Step 5: Solve for x
    x = 213,394,220,589.07/681,937.70
  6. Step 6: Final answer
    x = 312,923.34

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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.