Home / 792,048.30-1,188,072.45-259,586.70

Finding the Fourth Proportional to 792,048.30, 1,188,072.45 and 259,586.70

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Solution

The fourth proportional to 792,048.30, 1,188,072.45 and 259,586.70 is: 389,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,048.30 : 1,188,072.45 = 259,586.70 : x
  2. Step 2: Convert to fraction form
    792,048.30/1,188,072.45 = 259,586.70/x
  3. Step 3: Cross multiply
    792,048.30x = 1,188,072.45 × 259,586.70
  4. Step 4: Simplify right side
    792,048.30x = 308,407,806,656.42
  5. Step 5: Solve for x
    x = 308,407,806,656.42/792,048.30
  6. Step 6: Final answer
    x = 389,380.05

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Double scale
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Similar ratio
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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.