Home / 547,888.52-756,157.75-306,221.38

Finding the Fourth Proportional to 547,888.52, 756,157.75 and 306,221.38

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Solution

The fourth proportional to 547,888.52, 756,157.75 and 306,221.38 is: 422,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,888.52 : 756,157.75 = 306,221.38 : x
  2. Step 2: Convert to fraction form
    547,888.52/756,157.75 = 306,221.38/x
  3. Step 3: Cross multiply
    547,888.52x = 756,157.75 × 306,221.38
  4. Step 4: Simplify right side
    547,888.52x = 231,551,667,046.75
  5. Step 5: Solve for x
    x = 231,551,667,046.75/547,888.52
  6. Step 6: Final answer
    x = 422,625.51

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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.