Home / 792,153.55-1,188,230.33-259,728.40

Finding the Fourth Proportional to 792,153.55, 1,188,230.33 and 259,728.40

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Solution

The fourth proportional to 792,153.55, 1,188,230.33 and 259,728.40 is: 389,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,153.55 : 1,188,230.33 = 259,728.40 : x
  2. Step 2: Convert to fraction form
    792,153.55/1,188,230.33 = 259,728.40/x
  3. Step 3: Cross multiply
    792,153.55x = 1,188,230.33 × 259,728.40
  4. Step 4: Simplify right side
    792,153.55x = 308,617,162,442.37
  5. Step 5: Solve for x
    x = 308,617,162,442.37/792,153.55
  6. Step 6: Final answer
    x = 389,592.60

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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.