Finding the Fourth Proportional to 543,593.76, 814,775.42 and 276,790.68
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Solution
The fourth proportional to 543,593.76, 814,775.42 and 276,790.68 is: 414,872.76
Step by Step Solution
- Step 1: Write the proportion equation
543,593.76 : 814,775.42 = 276,790.68 : x - Step 2: Convert to fraction form
543,593.76/814,775.42 = 276,790.68/x - Step 3: Cross multiply
543,593.76x = 814,775.42 × 276,790.68 - Step 4: Simplify right side
543,593.76x = 225,522,242,549.09 - Step 5: Solve for x
x = 225,522,242,549.09/543,593.76 - Step 6: Final answer
x = 414,872.76
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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.