Home / 493,839.36-681,488.48-276,046.96

Finding the Fourth Proportional to 493,839.36, 681,488.48 and 276,046.96

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Solution

The fourth proportional to 493,839.36, 681,488.48 and 276,046.96 is: 380,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,839.36 : 681,488.48 = 276,046.96 : x
  2. Step 2: Convert to fraction form
    493,839.36/681,488.48 = 276,046.96/x
  3. Step 3: Cross multiply
    493,839.36x = 681,488.48 × 276,046.96
  4. Step 4: Simplify right side
    493,839.36x = 188,122,823,179.02
  5. Step 5: Solve for x
    x = 188,122,823,179.02/493,839.36
  6. Step 6: Final answer
    x = 380,939.31

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1.5x scale

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.