Finding the Fourth Proportional to 815,571.36, 1,125,034.55 and 757,839.42
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Solution
The fourth proportional to 815,571.36, 1,125,034.55 and 757,839.42 is: 1,045,396.60
Step by Step Solution
- Step 1: Write the proportion equation
815,571.36 : 1,125,034.55 = 757,839.42 : x - Step 2: Convert to fraction form
815,571.36/1,125,034.55 = 757,839.42/x - Step 3: Cross multiply
815,571.36x = 1,125,034.55 × 757,839.42 - Step 4: Simplify right side
815,571.36x = 852,595,530,851.96 - Step 5: Solve for x
x = 852,595,530,851.96/815,571.36 - Step 6: Final answer
x = 1,045,396.60
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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.