Finding the Fourth Proportional to 864,872.96, 1,193,413.43 and 482,915.84
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Solution
The fourth proportional to 864,872.96, 1,193,413.43 and 482,915.84 is: 666,361.74
Step by Step Solution
- Step 1: Write the proportion equation
864,872.96 : 1,193,413.43 = 482,915.84 : x - Step 2: Convert to fraction form
864,872.96/1,193,413.43 = 482,915.84/x - Step 3: Cross multiply
864,872.96x = 1,193,413.43 × 482,915.84 - Step 4: Simplify right side
864,872.96x = 576,318,244,255.95 - Step 5: Solve for x
x = 576,318,244,255.95/864,872.96 - Step 6: Final answer
x = 666,361.74
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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.