Home / 547,876.17-756,067.89-306,158.75

Finding the Fourth Proportional to 547,876.17, 756,067.89 and 306,158.75

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Solution

The fourth proportional to 547,876.17, 756,067.89 and 306,158.75 is: 422,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,876.17 : 756,067.89 = 306,158.75 : x
  2. Step 2: Convert to fraction form
    547,876.17/756,067.89 = 306,158.75/x
  3. Step 3: Cross multiply
    547,876.17x = 756,067.89 × 306,158.75
  4. Step 4: Simplify right side
    547,876.17x = 231,476,802,851.29
  5. Step 5: Solve for x
    x = 231,476,802,851.29/547,876.17
  6. Step 6: Final answer
    x = 422,498.40

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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.