Finding the Fourth Proportional to 526,696.82, 726,836.43 and 284,974.09
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Solution
The fourth proportional to 526,696.82, 726,836.43 and 284,974.09 is: 393,261.43
Step by Step Solution
- Step 1: Write the proportion equation
526,696.82 : 726,836.43 = 284,974.09 : x - Step 2: Convert to fraction form
526,696.82/726,836.43 = 284,974.09/x - Step 3: Cross multiply
526,696.82x = 726,836.43 × 284,974.09 - Step 4: Simplify right side
526,696.82x = 207,129,546,583.92 - Step 5: Solve for x
x = 207,129,546,583.92/526,696.82 - Step 6: Final answer
x = 393,261.43
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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.