Finding the Fourth Proportional to 682,721.36, 1,024,082.56 and 233,445.62
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Solution
The fourth proportional to 682,721.36, 1,024,082.56 and 233,445.62 is: 350,168.61
Step by Step Solution
- Step 1: Write the proportion equation
682,721.36 : 1,024,082.56 = 233,445.62 : x - Step 2: Convert to fraction form
682,721.36/1,024,082.56 = 233,445.62/x - Step 3: Cross multiply
682,721.36x = 1,024,082.56 × 233,445.62 - Step 4: Simplify right side
682,721.36x = 239,067,588,150.39 - Step 5: Solve for x
x = 239,067,588,150.39/682,721.36 - Step 6: Final answer
x = 350,168.61
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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.