Home / 499,400.88-689,176.10-273,046.38

Finding the Fourth Proportional to 499,400.88, 689,176.10 and 273,046.38

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Solution

The fourth proportional to 499,400.88, 689,176.10 and 273,046.38 is: 376,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,400.88 : 689,176.10 = 273,046.38 : x
  2. Step 2: Convert to fraction form
    499,400.88/689,176.10 = 273,046.38/x
  3. Step 3: Cross multiply
    499,400.88x = 689,176.10 × 273,046.38
  4. Step 4: Simplify right side
    499,400.88x = 188,177,039,287.52
  5. Step 5: Solve for x
    x = 188,177,039,287.52/499,400.88
  6. Step 6: Final answer
    x = 376,805.58

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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.