Home / 853,149.75-1,177,339.43-471,168.33

Finding the Fourth Proportional to 853,149.75, 1,177,339.43 and 471,168.33

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Solution

The fourth proportional to 853,149.75, 1,177,339.43 and 471,168.33 is: 650,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,149.75 : 1,177,339.43 = 471,168.33 : x
  2. Step 2: Convert to fraction form
    853,149.75/1,177,339.43 = 471,168.33/x
  3. Step 3: Cross multiply
    853,149.75x = 1,177,339.43 × 471,168.33
  4. Step 4: Simplify right side
    853,149.75x = 554,725,052,930.10
  5. Step 5: Solve for x
    x = 554,725,052,930.10/853,149.75
  6. Step 6: Final answer
    x = 650,208.31

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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.