Finding the Fourth Proportional to 727,082.39, 1,091,121.74 and 253,767.75
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Solution
The fourth proportional to 727,082.39, 1,091,121.74 and 253,767.75 is: 380,825.49
Step by Step Solution
- Step 1: Write the proportion equation
727,082.39 : 1,091,121.74 = 253,767.75 : x - Step 2: Convert to fraction form
727,082.39/1,091,121.74 = 253,767.75/x - Step 3: Cross multiply
727,082.39x = 1,091,121.74 × 253,767.75 - Step 4: Simplify right side
727,082.39x = 276,891,507,667.05 - Step 5: Solve for x
x = 276,891,507,667.05/727,082.39 - Step 6: Final answer
x = 380,825.49
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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.