Home / 792,099.30-1,188,440.55-259,637.70

Finding the Fourth Proportional to 792,099.30, 1,188,440.55 and 259,637.70

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Solution

The fourth proportional to 792,099.30, 1,188,440.55 and 259,637.70 is: 389,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,099.30 : 1,188,440.55 = 259,637.70 : x
  2. Step 2: Convert to fraction form
    792,099.30/1,188,440.55 = 259,637.70/x
  3. Step 3: Cross multiply
    792,099.30x = 1,188,440.55 × 259,637.70
  4. Step 4: Simplify right side
    792,099.30x = 308,563,970,988.74
  5. Step 5: Solve for x
    x = 308,563,970,988.74/792,099.30
  6. Step 6: Final answer
    x = 389,552.13

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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.