Home / 682,836.44-1,024,365.92-256,405.28

Finding the Fourth Proportional to 682,836.44, 1,024,365.92 and 256,405.28

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Solution

The fourth proportional to 682,836.44, 1,024,365.92 and 256,405.28 is: 384,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,836.44 : 1,024,365.92 = 256,405.28 : x
  2. Step 2: Convert to fraction form
    682,836.44/1,024,365.92 = 256,405.28/x
  3. Step 3: Cross multiply
    682,836.44x = 1,024,365.92 × 256,405.28
  4. Step 4: Simplify right side
    682,836.44x = 262,652,824,136.20
  5. Step 5: Solve for x
    x = 262,652,824,136.20/682,836.44
  6. Step 6: Final answer
    x = 384,649.69

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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.