Finding the Fourth Proportional to 753,092.97, 1,039,237.20 and 408,915.42
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Solution
The fourth proportional to 753,092.97, 1,039,237.20 and 408,915.42 is: 564,286.39
Step by Step Solution
- Step 1: Write the proportion equation
753,092.97 : 1,039,237.20 = 408,915.42 : x - Step 2: Convert to fraction form
753,092.97/1,039,237.20 = 408,915.42/x - Step 3: Cross multiply
753,092.97x = 1,039,237.20 × 408,915.42 - Step 4: Simplify right side
753,092.97x = 424,960,116,117.62 - Step 5: Solve for x
x = 424,960,116,117.62/753,092.97 - Step 6: Final answer
x = 564,286.39
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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.