Home / 681,922.52-1,022,846.70-208,607.88

Finding the Fourth Proportional to 681,922.52, 1,022,846.70 and 208,607.88

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Solution

The fourth proportional to 681,922.52, 1,022,846.70 and 208,607.88 is: 312,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,922.52 : 1,022,846.70 = 208,607.88 : x
  2. Step 2: Convert to fraction form
    681,922.52/1,022,846.70 = 208,607.88/x
  3. Step 3: Cross multiply
    681,922.52x = 1,022,846.70 × 208,607.88
  4. Step 4: Simplify right side
    681,922.52x = 213,373,881,633.07
  5. Step 5: Solve for x
    x = 213,373,881,633.07/681,922.52
  6. Step 6: Final answer
    x = 312,900.48

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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.