Home / 490,821.86-677,325.17-273,029.46

Finding the Fourth Proportional to 490,821.86, 677,325.17 and 273,029.46

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Solution

The fourth proportional to 490,821.86, 677,325.17 and 273,029.46 is: 376,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,821.86 : 677,325.17 = 273,029.46 : x
  2. Step 2: Convert to fraction form
    490,821.86/677,325.17 = 273,029.46/x
  3. Step 3: Cross multiply
    490,821.86x = 677,325.17 × 273,029.46
  4. Step 4: Simplify right side
    490,821.86x = 184,929,724,044.36
  5. Step 5: Solve for x
    x = 184,929,724,044.36/490,821.86
  6. Step 6: Final answer
    x = 376,775.65

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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.