Home / 682,767.60-1,024,151.40-256,302.60

Finding the Fourth Proportional to 682,767.60, 1,024,151.40 and 256,302.60

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Solution

The fourth proportional to 682,767.60, 1,024,151.40 and 256,302.60 is: 384,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,767.60 : 1,024,151.40 = 256,302.60 : x
  2. Step 2: Convert to fraction form
    682,767.60/1,024,151.40 = 256,302.60/x
  3. Step 3: Cross multiply
    682,767.60x = 1,024,151.40 × 256,302.60
  4. Step 4: Simplify right side
    682,767.60x = 262,492,666,613.64
  5. Step 5: Solve for x
    x = 262,492,666,613.64/682,767.60
  6. Step 6: Final answer
    x = 384,453.90

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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.