Home / 542,930.79-749,249.01-301,229.22

Finding the Fourth Proportional to 542,930.79, 749,249.01 and 301,229.22

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Solution

The fourth proportional to 542,930.79, 749,249.01 and 301,229.22 is: 415,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,930.79 : 749,249.01 = 301,229.22 : x
  2. Step 2: Convert to fraction form
    542,930.79/749,249.01 = 301,229.22/x
  3. Step 3: Cross multiply
    542,930.79x = 749,249.01 × 301,229.22
  4. Step 4: Simplify right side
    542,930.79x = 225,695,694,868.07
  5. Step 5: Solve for x
    x = 225,695,694,868.07/542,930.79
  6. Step 6: Final answer
    x = 415,698.83

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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.