Finding the Fourth Proportional to 798,797.75, 1,198,207.22 and 266,318.95
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Solution
The fourth proportional to 798,797.75, 1,198,207.22 and 266,318.95 is: 399,481.96
Step by Step Solution
- Step 1: Write the proportion equation
798,797.75 : 1,198,207.22 = 266,318.95 : x - Step 2: Convert to fraction form
798,797.75/1,198,207.22 = 266,318.95/x - Step 3: Cross multiply
798,797.75x = 1,198,207.22 × 266,318.95 - Step 4: Simplify right side
798,797.75x = 319,105,286,913.27 - Step 5: Solve for x
x = 319,105,286,913.27/798,797.75 - Step 6: Final answer
x = 399,481.96
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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.