Home / 480,293.82-662,786.52-276,375.84

Finding the Fourth Proportional to 480,293.82, 662,786.52 and 276,375.84

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Solution

The fourth proportional to 480,293.82, 662,786.52 and 276,375.84 is: 381,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,293.82 : 662,786.52 = 276,375.84 : x
  2. Step 2: Convert to fraction form
    480,293.82/662,786.52 = 276,375.84/x
  3. Step 3: Cross multiply
    480,293.82x = 662,786.52 × 276,375.84
  4. Step 4: Simplify right side
    480,293.82x = 183,178,181,205.68
  5. Step 5: Solve for x
    x = 183,178,181,205.68/480,293.82
  6. Step 6: Final answer
    x = 381,387.75

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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.