Home / 483,511.20-667,054.38-279,524.58

Finding the Fourth Proportional to 483,511.20, 667,054.38 and 279,524.58

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Solution

The fourth proportional to 483,511.20, 667,054.38 and 279,524.58 is: 385,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,511.20 : 667,054.38 = 279,524.58 : x
  2. Step 2: Convert to fraction form
    483,511.20/667,054.38 = 279,524.58/x
  3. Step 3: Cross multiply
    483,511.20x = 667,054.38 × 279,524.58
  4. Step 4: Simplify right side
    483,511.20x = 186,458,095,406.66
  5. Step 5: Solve for x
    x = 186,458,095,406.66/483,511.20
  6. Step 6: Final answer
    x = 385,633.46

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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.