Home / 684,859.20-1,027,398.24-211,433.28

Finding the Fourth Proportional to 684,859.20, 1,027,398.24 and 211,433.28

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Solution

The fourth proportional to 684,859.20, 1,027,398.24 and 211,433.28 is: 317,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,859.20 : 1,027,398.24 = 211,433.28 : x
  2. Step 2: Convert to fraction form
    684,859.20/1,027,398.24 = 211,433.28/x
  3. Step 3: Cross multiply
    684,859.20x = 1,027,398.24 × 211,433.28
  4. Step 4: Simplify right side
    684,859.20x = 217,226,179,749.43
  5. Step 5: Solve for x
    x = 217,226,179,749.43/684,859.20
  6. Step 6: Final answer
    x = 317,183.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.