Finding the Fourth Proportional to 964,450.62, 1,331,286.30 and 658,307.88
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Solution
The fourth proportional to 964,450.62, 1,331,286.30 and 658,307.88 is: 908,699.98
Step by Step Solution
- Step 1: Write the proportion equation
964,450.62 : 1,331,286.30 = 658,307.88 : x - Step 2: Convert to fraction form
964,450.62/1,331,286.30 = 658,307.88/x - Step 3: Cross multiply
964,450.62x = 1,331,286.30 × 658,307.88 - Step 4: Simplify right side
964,450.62x = 876,396,261,826.04 - Step 5: Solve for x
x = 876,396,261,826.04/964,450.62 - Step 6: Final answer
x = 908,699.98
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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.