Home / 681,563.94-1,022,529.98-208,236.39

Finding the Fourth Proportional to 681,563.94, 1,022,529.98 and 208,236.39

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Solution

The fourth proportional to 681,563.94, 1,022,529.98 and 208,236.39 is: 312,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,563.94 : 1,022,529.98 = 208,236.39 : x
  2. Step 2: Convert to fraction form
    681,563.94/1,022,529.98 = 208,236.39/x
  3. Step 3: Cross multiply
    681,563.94x = 1,022,529.98 × 208,236.39
  4. Step 4: Simplify right side
    681,563.94x = 212,927,951,701.97
  5. Step 5: Solve for x
    x = 212,927,951,701.97/681,563.94
  6. Step 6: Final answer
    x = 312,410.82

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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.