Home / 499,377.12-689,143.32-273,022.64

Finding the Fourth Proportional to 499,377.12, 689,143.32 and 273,022.64

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Solution

The fourth proportional to 499,377.12, 689,143.32 and 273,022.64 is: 376,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,377.12 : 689,143.32 = 273,022.64 : x
  2. Step 2: Convert to fraction form
    499,377.12/689,143.32 = 273,022.64/x
  3. Step 3: Cross multiply
    499,377.12x = 689,143.32 × 273,022.64
  4. Step 4: Simplify right side
    499,377.12x = 188,151,728,564.77
  5. Step 5: Solve for x
    x = 188,151,728,564.77/499,377.12
  6. Step 6: Final answer
    x = 376,772.83

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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.