Home / 825,712.92-1,238,571.27-226,682.28

Finding the Fourth Proportional to 825,712.92, 1,238,571.27 and 226,682.28

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Solution

The fourth proportional to 825,712.92, 1,238,571.27 and 226,682.28 is: 340,023.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,712.92 : 1,238,571.27 = 226,682.28 : x
  2. Step 2: Convert to fraction form
    825,712.92/1,238,571.27 = 226,682.28/x
  3. Step 3: Cross multiply
    825,712.92x = 1,238,571.27 × 226,682.28
  4. Step 4: Simplify right side
    825,712.92x = 280,762,159,426.10
  5. Step 5: Solve for x
    x = 280,762,159,426.10/825,712.92
  6. Step 6: Final answer
    x = 340,023.94

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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.