Home / 682,270.73-1,023,406.11-382,961.55

Finding the Fourth Proportional to 682,270.73, 1,023,406.11 and 382,961.55

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Solution

The fourth proportional to 682,270.73, 1,023,406.11 and 382,961.55 is: 574,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,270.73 : 1,023,406.11 = 382,961.55 : x
  2. Step 2: Convert to fraction form
    682,270.73/1,023,406.11 = 382,961.55/x
  3. Step 3: Cross multiply
    682,270.73x = 1,023,406.11 × 382,961.55
  4. Step 4: Simplify right side
    682,270.73x = 391,925,194,002.84
  5. Step 5: Solve for x
    x = 391,925,194,002.84/682,270.73
  6. Step 6: Final answer
    x = 574,442.34

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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.