Home / 998,198.88-1,377,492.48-545,493.12

Finding the Fourth Proportional to 998,198.88, 1,377,492.48 and 545,493.12

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Solution

The fourth proportional to 998,198.88, 1,377,492.48 and 545,493.12 is: 752,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,198.88 : 1,377,492.48 = 545,493.12 : x
  2. Step 2: Convert to fraction form
    998,198.88/1,377,492.48 = 545,493.12/x
  3. Step 3: Cross multiply
    998,198.88x = 1,377,492.48 × 545,493.12
  4. Step 4: Simplify right side
    998,198.88x = 751,412,670,691.74
  5. Step 5: Solve for x
    x = 751,412,670,691.74/998,198.88
  6. Step 6: Final answer
    x = 752,768.50

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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.