Home / 695,418.51-1,043,277.60-215,636.64

Finding the Fourth Proportional to 695,418.51, 1,043,277.60 and 215,636.64

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Solution

The fourth proportional to 695,418.51, 1,043,277.60 and 215,636.64 is: 323,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,418.51 : 1,043,277.60 = 215,636.64 : x
  2. Step 2: Convert to fraction form
    695,418.51/1,043,277.60 = 215,636.64/x
  3. Step 3: Cross multiply
    695,418.51x = 1,043,277.60 × 215,636.64
  4. Step 4: Simplify right side
    695,418.51x = 224,968,876,251.26
  5. Step 5: Solve for x
    x = 224,968,876,251.26/695,418.51
  6. Step 6: Final answer
    x = 323,501.42

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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.