Home / 998,109.90-1,377,390.15-568,390.23

Finding the Fourth Proportional to 998,109.90, 1,377,390.15 and 568,390.23

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Solution

The fourth proportional to 998,109.90, 1,377,390.15 and 568,390.23 is: 784,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,109.90 : 1,377,390.15 = 568,390.23 : x
  2. Step 2: Convert to fraction form
    998,109.90/1,377,390.15 = 568,390.23/x
  3. Step 3: Cross multiply
    998,109.90x = 1,377,390.15 × 568,390.23
  4. Step 4: Simplify right side
    998,109.90x = 782,895,104,158.23
  5. Step 5: Solve for x
    x = 782,895,104,158.23/998,109.90
  6. Step 6: Final answer
    x = 784,377.66

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