Home / 998,037.79-1,377,290.79-568,317.91

Finding the Fourth Proportional to 998,037.79, 1,377,290.79 and 568,317.91

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Solution

The fourth proportional to 998,037.79, 1,377,290.79 and 568,317.91 is: 784,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,037.79 : 1,377,290.79 = 568,317.91 : x
  2. Step 2: Convert to fraction form
    998,037.79/1,377,290.79 = 568,317.91/x
  3. Step 3: Cross multiply
    998,037.79x = 1,377,290.79 × 568,317.91
  4. Step 4: Simplify right side
    998,037.79x = 782,739,023,235.05
  5. Step 5: Solve for x
    x = 782,739,023,235.05/998,037.79
  6. Step 6: Final answer
    x = 784,277.94

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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.