Finding the Fourth Proportional to 681,986.26, 1,022,424.60 and 255,283.08
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Solution
The fourth proportional to 681,986.26, 1,022,424.60 and 255,283.08 is: 382,716.95
Step by Step Solution
- Step 1: Write the proportion equation
681,986.26 : 1,022,424.60 = 255,283.08 : x - Step 2: Convert to fraction form
681,986.26/1,022,424.60 = 255,283.08/x - Step 3: Cross multiply
681,986.26x = 1,022,424.60 × 255,283.08 - Step 4: Simplify right side
681,986.26x = 261,007,699,996.03 - Step 5: Solve for x
x = 261,007,699,996.03/681,986.26 - Step 6: Final answer
x = 382,716.95
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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.