Home / 825,751.20-1,238,630.64-226,720.80

Finding the Fourth Proportional to 825,751.20, 1,238,630.64 and 226,720.80

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Solution

The fourth proportional to 825,751.20, 1,238,630.64 and 226,720.80 is: 340,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,751.20 : 1,238,630.64 = 226,720.80 : x
  2. Step 2: Convert to fraction form
    825,751.20/1,238,630.64 = 226,720.80/x
  3. Step 3: Cross multiply
    825,751.20x = 1,238,630.64 × 226,720.80
  4. Step 4: Simplify right side
    825,751.20x = 280,823,329,605.31
  5. Step 5: Solve for x
    x = 280,823,329,605.31/825,751.20
  6. Step 6: Final answer
    x = 340,082.25

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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.