Home / 998,667.82-1,378,062.57-568,922.32

Finding the Fourth Proportional to 998,667.82, 1,378,062.57 and 568,922.32

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Solution

The fourth proportional to 998,667.82, 1,378,062.57 and 568,922.32 is: 785,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,667.82 : 1,378,062.57 = 568,922.32 : x
  2. Step 2: Convert to fraction form
    998,667.82/1,378,062.57 = 568,922.32/x
  3. Step 3: Cross multiply
    998,667.82x = 1,378,062.57 × 568,922.32
  4. Step 4: Simplify right side
    998,667.82x = 784,010,554,429.56
  5. Step 5: Solve for x
    x = 784,010,554,429.56/998,667.82
  6. Step 6: Final answer
    x = 785,056.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.