Finding the Fourth Proportional to 884,229.62, 1,220,236.65 and 481,821.62
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Solution
The fourth proportional to 884,229.62, 1,220,236.65 and 481,821.62 is: 664,913.71
Step by Step Solution
- Step 1: Write the proportion equation
884,229.62 : 1,220,236.65 = 481,821.62 : x - Step 2: Convert to fraction form
884,229.62/1,220,236.65 = 481,821.62/x - Step 3: Cross multiply
884,229.62x = 1,220,236.65 × 481,821.62 - Step 4: Simplify right side
884,229.62x = 587,936,393,385.19 - Step 5: Solve for x
x = 587,936,393,385.19/884,229.62 - Step 6: Final answer
x = 664,913.71
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1.5x scale
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.