Finding the Fourth Proportional to 834,414.75, 1,151,514.97 and 471,892.82
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Solution
The fourth proportional to 834,414.75, 1,151,514.97 and 471,892.82 is: 651,224.87
Step by Step Solution
- Step 1: Write the proportion equation
834,414.75 : 1,151,514.97 = 471,892.82 : x - Step 2: Convert to fraction form
834,414.75/1,151,514.97 = 471,892.82/x - Step 3: Cross multiply
834,414.75x = 1,151,514.97 × 471,892.82 - Step 4: Simplify right side
834,414.75x = 543,391,639,528.21 - Step 5: Solve for x
x = 543,391,639,528.21/834,414.75 - Step 6: Final answer
x = 651,224.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.