Finding the Fourth Proportional to 792,091.80, 1,188,137.70 and 477,163.80
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Solution
The fourth proportional to 792,091.80, 1,188,137.70 and 477,163.80 is: 715,745.70
Step by Step Solution
- Step 1: Write the proportion equation
792,091.80 : 1,188,137.70 = 477,163.80 : x - Step 2: Convert to fraction form
792,091.80/1,188,137.70 = 477,163.80/x - Step 3: Cross multiply
792,091.80x = 1,188,137.70 × 477,163.80 - Step 4: Simplify right side
792,091.80x = 566,936,299,855.26 - Step 5: Solve for x
x = 566,936,299,855.26/792,091.80 - Step 6: Final answer
x = 715,745.70
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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.