Home / 499,624.80-689,481.07-273,270.30

Finding the Fourth Proportional to 499,624.80, 689,481.07 and 273,270.30

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Solution

The fourth proportional to 499,624.80, 689,481.07 and 273,270.30 is: 377,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,624.80 : 689,481.07 = 273,270.30 : x
  2. Step 2: Convert to fraction form
    499,624.80/689,481.07 = 273,270.30/x
  3. Step 3: Cross multiply
    499,624.80x = 689,481.07 × 273,270.30
  4. Step 4: Simplify right side
    499,624.80x = 188,414,698,843.22
  5. Step 5: Solve for x
    x = 188,414,698,843.22/499,624.80
  6. Step 6: Final answer
    x = 377,112.38

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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.