Home / 825,769.41-1,238,651.81-226,731.21

Finding the Fourth Proportional to 825,769.41, 1,238,651.81 and 226,731.21

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Solution

The fourth proportional to 825,769.41, 1,238,651.81 and 226,731.21 is: 340,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,769.41 : 1,238,651.81 = 226,731.21 : x
  2. Step 2: Convert to fraction form
    825,769.41/1,238,651.81 = 226,731.21/x
  3. Step 3: Cross multiply
    825,769.41x = 1,238,651.81 × 226,731.21
  4. Step 4: Simplify right side
    825,769.41x = 280,841,023,649.99
  5. Step 5: Solve for x
    x = 280,841,023,649.99/825,769.41
  6. Step 6: Final answer
    x = 340,096.18

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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.