Home / 547,514.44-820,731.89-192,279.35

Finding the Fourth Proportional to 547,514.44, 820,731.89 and 192,279.35

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Solution

The fourth proportional to 547,514.44, 820,731.89 and 192,279.35 is: 288,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,514.44 : 820,731.89 = 192,279.35 : x
  2. Step 2: Convert to fraction form
    547,514.44/820,731.89 = 192,279.35/x
  3. Step 3: Cross multiply
    547,514.44x = 820,731.89 × 192,279.35
  4. Step 4: Simplify right side
    547,514.44x = 157,809,796,866.00
  5. Step 5: Solve for x
    x = 157,809,796,866.00/547,514.44
  6. Step 6: Final answer
    x = 288,229.47

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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.