Home / 542,514.99-748,669.39-300,791.34

Finding the Fourth Proportional to 542,514.99, 748,669.39 and 300,791.34

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Solution

The fourth proportional to 542,514.99, 748,669.39 and 300,791.34 is: 415,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,514.99 : 748,669.39 = 300,791.34 : x
  2. Step 2: Convert to fraction form
    542,514.99/748,669.39 = 300,791.34/x
  3. Step 3: Cross multiply
    542,514.99x = 748,669.39 × 300,791.34
  4. Step 4: Simplify right side
    542,514.99x = 225,193,272,218.58
  5. Step 5: Solve for x
    x = 225,193,272,218.58/542,514.99
  6. Step 6: Final answer
    x = 415,091.34

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1.5x scale

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.