Home / 998,613.80-1,377,699.80-635,972.76

Finding the Fourth Proportional to 998,613.80, 1,377,699.80 and 635,972.76

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Solution

The fourth proportional to 998,613.80, 1,377,699.80 and 635,972.76 is: 877,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,613.80 : 1,377,699.80 = 635,972.76 : x
  2. Step 2: Convert to fraction form
    998,613.80/1,377,699.80 = 635,972.76/x
  3. Step 3: Cross multiply
    998,613.80x = 1,377,699.80 × 635,972.76
  4. Step 4: Simplify right side
    998,613.80x = 876,179,544,257.45
  5. Step 5: Solve for x
    x = 876,179,544,257.45/998,613.80
  6. Step 6: Final answer
    x = 877,395.79

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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.