Home / 998,703.09-1,498,196.79-324,567.63

Finding the Fourth Proportional to 998,703.09, 1,498,196.79 and 324,567.63

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Solution

The fourth proportional to 998,703.09, 1,498,196.79 and 324,567.63 is: 486,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,703.09 : 1,498,196.79 = 324,567.63 : x
  2. Step 2: Convert to fraction form
    998,703.09/1,498,196.79 = 324,567.63/x
  3. Step 3: Cross multiply
    998,703.09x = 1,498,196.79 × 324,567.63
  4. Step 4: Simplify right side
    998,703.09x = 486,266,181,403.91
  5. Step 5: Solve for x
    x = 486,266,181,403.91/998,703.09
  6. Step 6: Final answer
    x = 486,897.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.