Finding the Fourth Proportional to 543,677.70, 814,714.65 and 394,232.70
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Solution
The fourth proportional to 543,677.70, 814,714.65 and 394,232.70 is: 590,767.57
Step by Step Solution
- Step 1: Write the proportion equation
543,677.70 : 814,714.65 = 394,232.70 : x - Step 2: Convert to fraction form
543,677.70/814,714.65 = 394,232.70/x - Step 3: Cross multiply
543,677.70x = 814,714.65 × 394,232.70 - Step 4: Simplify right side
543,677.70x = 321,187,156,199.06 - Step 5: Solve for x
x = 321,187,156,199.06/543,677.70 - Step 6: Final answer
x = 590,767.57
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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.