Finding the Fourth Proportional to 819,839.94, 1,131,375.36 and 452,307.08
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Solution
The fourth proportional to 819,839.94, 1,131,375.36 and 452,307.08 is: 624,181.69
Step by Step Solution
- Step 1: Write the proportion equation
819,839.94 : 1,131,375.36 = 452,307.08 : x - Step 2: Convert to fraction form
819,839.94/1,131,375.36 = 452,307.08/x - Step 3: Cross multiply
819,839.94x = 1,131,375.36 × 452,307.08 - Step 4: Simplify right side
819,839.94x = 511,729,079,808.67 - Step 5: Solve for x
x = 511,729,079,808.67/819,839.94 - Step 6: Final answer
x = 624,181.69
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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.