Home / 825,897.74-1,238,844.20-226,859.47

Finding the Fourth Proportional to 825,897.74, 1,238,844.20 and 226,859.47

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Solution

The fourth proportional to 825,897.74, 1,238,844.20 and 226,859.47 is: 340,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,897.74 : 1,238,844.20 = 226,859.47 : x
  2. Step 2: Convert to fraction form
    825,897.74/1,238,844.20 = 226,859.47/x
  3. Step 3: Cross multiply
    825,897.74x = 1,238,844.20 × 226,859.47
  4. Step 4: Simplify right side
    825,897.74x = 281,043,538,624.57
  5. Step 5: Solve for x
    x = 281,043,538,624.57/825,897.74
  6. Step 6: Final answer
    x = 340,288.54

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1.5x scale

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.