Home / 682,766.60-1,024,149.90-256,301.60

Finding the Fourth Proportional to 682,766.60, 1,024,149.90 and 256,301.60

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Solution

The fourth proportional to 682,766.60, 1,024,149.90 and 256,301.60 is: 384,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,766.60 : 1,024,149.90 = 256,301.60 : x
  2. Step 2: Convert to fraction form
    682,766.60/1,024,149.90 = 256,301.60/x
  3. Step 3: Cross multiply
    682,766.60x = 1,024,149.90 × 256,301.60
  4. Step 4: Simplify right side
    682,766.60x = 262,491,258,009.84
  5. Step 5: Solve for x
    x = 262,491,258,009.84/682,766.60
  6. Step 6: Final answer
    x = 384,452.40

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Double scale
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Similar ratio
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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.