Home / 792,404.32-1,188,489.12-259,981.60

Finding the Fourth Proportional to 792,404.32, 1,188,489.12 and 259,981.60

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Solution

The fourth proportional to 792,404.32, 1,188,489.12 and 259,981.60 is: 389,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,404.32 : 1,188,489.12 = 259,981.60 : x
  2. Step 2: Convert to fraction form
    792,404.32/1,188,489.12 = 259,981.60/x
  3. Step 3: Cross multiply
    792,404.32x = 1,188,489.12 × 259,981.60
  4. Step 4: Simplify right side
    792,404.32x = 308,985,303,000.19
  5. Step 5: Solve for x
    x = 308,985,303,000.19/792,404.32
  6. Step 6: Final answer
    x = 389,933.90

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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.