Home / 809,126.24-1,213,289.92-248,025.44

Finding the Fourth Proportional to 809,126.24, 1,213,289.92 and 248,025.44

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Solution

The fourth proportional to 809,126.24, 1,213,289.92 and 248,025.44 is: 371,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,126.24 : 1,213,289.92 = 248,025.44 : x
  2. Step 2: Convert to fraction form
    809,126.24/1,213,289.92 = 248,025.44/x
  3. Step 3: Cross multiply
    809,126.24x = 1,213,289.92 × 248,025.44
  4. Step 4: Simplify right side
    809,126.24x = 300,926,766,255.57
  5. Step 5: Solve for x
    x = 300,926,766,255.57/809,126.24
  6. Step 6: Final answer
    x = 371,915.72

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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.