Finding the Fourth Proportional to 543,197.80, 814,796.70 and 403,229.80
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Solution
The fourth proportional to 543,197.80, 814,796.70 and 403,229.80 is: 604,844.70
Step by Step Solution
- Step 1: Write the proportion equation
543,197.80 : 814,796.70 = 403,229.80 : x - Step 2: Convert to fraction form
543,197.80/814,796.70 = 403,229.80/x - Step 3: Cross multiply
543,197.80x = 814,796.70 × 403,229.80 - Step 4: Simplify right side
543,197.80x = 328,550,310,381.66 - Step 5: Solve for x
x = 328,550,310,381.66/543,197.80 - Step 6: Final answer
x = 604,844.70
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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.