Home / 490,786.28-736,573.13-254,196.62

Finding the Fourth Proportional to 490,786.28, 736,573.13 and 254,196.62

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Solution

The fourth proportional to 490,786.28, 736,573.13 and 254,196.62 is: 381,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,786.28 : 736,573.13 = 254,196.62 : x
  2. Step 2: Convert to fraction form
    490,786.28/736,573.13 = 254,196.62/x
  3. Step 3: Cross multiply
    490,786.28x = 736,573.13 × 254,196.62
  4. Step 4: Simplify right side
    490,786.28x = 187,234,395,074.97
  5. Step 5: Solve for x
    x = 187,234,395,074.97/490,786.28
  6. Step 6: Final answer
    x = 381,498.84

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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.