Finding the Fourth Proportional to 807,450.80, 1,211,176.20 and 491,745.20
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Solution
The fourth proportional to 807,450.80, 1,211,176.20 and 491,745.20 is: 737,617.80
Step by Step Solution
- Step 1: Write the proportion equation
807,450.80 : 1,211,176.20 = 491,745.20 : x - Step 2: Convert to fraction form
807,450.80/1,211,176.20 = 491,745.20/x - Step 3: Cross multiply
807,450.80x = 1,211,176.20 × 491,745.20 - Step 4: Simplify right side
807,450.80x = 595,590,082,704.24 - Step 5: Solve for x
x = 595,590,082,704.24/807,450.80 - Step 6: Final answer
x = 737,617.80
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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.