Finding the Fourth Proportional to 836,593.92, 1,253,862.84 and 386,706.12
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Solution
The fourth proportional to 836,593.92, 1,253,862.84 and 386,706.12 is: 579,583.98
Step by Step Solution
- Step 1: Write the proportion equation
836,593.92 : 1,253,862.84 = 386,706.12 : x - Step 2: Convert to fraction form
836,593.92/1,253,862.84 = 386,706.12/x - Step 3: Cross multiply
836,593.92x = 1,253,862.84 × 386,706.12 - Step 4: Simplify right side
836,593.92x = 484,876,433,868.58 - Step 5: Solve for x
x = 484,876,433,868.58/836,593.92 - Step 6: Final answer
x = 579,583.98
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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.