Finding the Fourth Proportional to 908,163.70, 1,362,245.55 and 376,722.70
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Solution
The fourth proportional to 908,163.70, 1,362,245.55 and 376,722.70 is: 565,084.05
Step by Step Solution
- Step 1: Write the proportion equation
908,163.70 : 1,362,245.55 = 376,722.70 : x - Step 2: Convert to fraction form
908,163.70/1,362,245.55 = 376,722.70/x - Step 3: Cross multiply
908,163.70x = 1,362,245.55 × 376,722.70 - Step 4: Simplify right side
908,163.70x = 513,188,821,658.99 - Step 5: Solve for x
x = 513,188,821,658.99/908,163.70 - Step 6: Final answer
x = 565,084.05
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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.