Home / 499,376.45-689,141.91-273,021.95

Finding the Fourth Proportional to 499,376.45, 689,141.91 and 273,021.95

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Solution

The fourth proportional to 499,376.45, 689,141.91 and 273,021.95 is: 376,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,376.45 : 689,141.91 = 273,021.95 : x
  2. Step 2: Convert to fraction form
    499,376.45/689,141.91 = 273,021.95/x
  3. Step 3: Cross multiply
    499,376.45x = 689,141.91 × 273,021.95
  4. Step 4: Simplify right side
    499,376.45x = 188,150,864,649.22
  5. Step 5: Solve for x
    x = 188,150,864,649.22/499,376.45
  6. Step 6: Final answer
    x = 376,771.60

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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.