Finding the Fourth Proportional to 804,539.76, 1,207,318.74 and 449,786.49
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Solution
The fourth proportional to 804,539.76, 1,207,318.74 and 449,786.49 is: 674,964.35
Step by Step Solution
- Step 1: Write the proportion equation
804,539.76 : 1,207,318.74 = 449,786.49 : x - Step 2: Convert to fraction form
804,539.76/1,207,318.74 = 449,786.49/x - Step 3: Cross multiply
804,539.76x = 1,207,318.74 × 449,786.49 - Step 4: Simplify right side
804,539.76x = 543,035,658,375.82 - Step 5: Solve for x
x = 543,035,658,375.82/804,539.76 - Step 6: Final answer
x = 674,964.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.