Home / 792,146.30-1,188,511.05-259,684.70

Finding the Fourth Proportional to 792,146.30, 1,188,511.05 and 259,684.70

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Solution

The fourth proportional to 792,146.30, 1,188,511.05 and 259,684.70 is: 389,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,146.30 : 1,188,511.05 = 259,684.70 : x
  2. Step 2: Convert to fraction form
    792,146.30/1,188,511.05 = 259,684.70/x
  3. Step 3: Cross multiply
    792,146.30x = 1,188,511.05 × 259,684.70
  4. Step 4: Simplify right side
    792,146.30x = 308,638,135,465.94
  5. Step 5: Solve for x
    x = 308,638,135,465.94/792,146.30
  6. Step 6: Final answer
    x = 389,622.64

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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.