Home / 856,801.99-1,285,383.41-324,311.23

Finding the Fourth Proportional to 856,801.99, 1,285,383.41 and 324,311.23

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Solution

The fourth proportional to 856,801.99, 1,285,383.41 and 324,311.23 is: 486,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,801.99 : 1,285,383.41 = 324,311.23 : x
  2. Step 2: Convert to fraction form
    856,801.99/1,285,383.41 = 324,311.23/x
  3. Step 3: Cross multiply
    856,801.99x = 1,285,383.41 × 324,311.23
  4. Step 4: Simplify right side
    856,801.99x = 416,864,274,718.69
  5. Step 5: Solve for x
    x = 416,864,274,718.69/856,801.99
  6. Step 6: Final answer
    x = 486,535.14

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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.