Finding the Fourth Proportional to 901,838.18, 1,244,524.20 and 493,939.82
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Solution
The fourth proportional to 901,838.18, 1,244,524.20 and 493,939.82 is: 681,630.11
Step by Step Solution
- Step 1: Write the proportion equation
901,838.18 : 1,244,524.20 = 493,939.82 : x - Step 2: Convert to fraction form
901,838.18/1,244,524.20 = 493,939.82/x - Step 3: Cross multiply
901,838.18x = 1,244,524.20 × 493,939.82 - Step 4: Simplify right side
901,838.18x = 614,720,059,333.64 - Step 5: Solve for x
x = 614,720,059,333.64/901,838.18 - Step 6: Final answer
x = 681,630.11
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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.