Home / 755,255.21-1,132,550.44-400,187.39

Finding the Fourth Proportional to 755,255.21, 1,132,550.44 and 400,187.39

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Solution

The fourth proportional to 755,255.21, 1,132,550.44 and 400,187.39 is: 600,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,255.21 : 1,132,550.44 = 400,187.39 : x
  2. Step 2: Convert to fraction form
    755,255.21/1,132,550.44 = 400,187.39/x
  3. Step 3: Cross multiply
    755,255.21x = 1,132,550.44 × 400,187.39
  4. Step 4: Simplify right side
    755,255.21x = 453,232,404,626.95
  5. Step 5: Solve for x
    x = 453,232,404,626.95/755,255.21
  6. Step 6: Final answer
    x = 600,104.97

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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.