Home / 490,869.72-677,391.20-273,077.33

Finding the Fourth Proportional to 490,869.72, 677,391.20 and 273,077.33

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Solution

The fourth proportional to 490,869.72, 677,391.20 and 273,077.33 is: 376,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,869.72 : 677,391.20 = 273,077.33 : x
  2. Step 2: Convert to fraction form
    490,869.72/677,391.20 = 273,077.33/x
  3. Step 3: Cross multiply
    490,869.72x = 677,391.20 × 273,077.33
  4. Step 4: Simplify right side
    490,869.72x = 184,980,175,509.15
  5. Step 5: Solve for x
    x = 184,980,175,509.15/490,869.72
  6. Step 6: Final answer
    x = 376,841.69

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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.