Home / 703,743.69-1,055,453.64-419,514.49

Finding the Fourth Proportional to 703,743.69, 1,055,453.64 and 419,514.49

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Solution

The fourth proportional to 703,743.69, 1,055,453.64 and 419,514.49 is: 629,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,743.69 : 1,055,453.64 = 419,514.49 : x
  2. Step 2: Convert to fraction form
    703,743.69/1,055,453.64 = 419,514.49/x
  3. Step 3: Cross multiply
    703,743.69x = 1,055,453.64 × 419,514.49
  4. Step 4: Simplify right side
    703,743.69x = 442,778,091,291.43
  5. Step 5: Solve for x
    x = 442,778,091,291.43/703,743.69
  6. Step 6: Final answer
    x = 629,175.22

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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.