Home / 547,519.75-820,739.85-192,284.65

Finding the Fourth Proportional to 547,519.75, 820,739.85 and 192,284.65

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Solution

The fourth proportional to 547,519.75, 820,739.85 and 192,284.65 is: 288,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,519.75 : 820,739.85 = 192,284.65 : x
  2. Step 2: Convert to fraction form
    547,519.75/820,739.85 = 192,284.65/x
  3. Step 3: Cross multiply
    547,519.75x = 820,739.85 × 192,284.65
  4. Step 4: Simplify right side
    547,519.75x = 157,815,674,798.30
  5. Step 5: Solve for x
    x = 157,815,674,798.30/547,519.75
  6. Step 6: Final answer
    x = 288,237.41

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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.