Finding the Fourth Proportional to 769,994.19, 1,062,723.09 and 447,891
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Solution
The fourth proportional to 769,994.19, 1,062,723.09 and 447,891 is: 618,165.84
Step by Step Solution
- Step 1: Write the proportion equation
769,994.19 : 1,062,723.09 = 447,891 : x - Step 2: Convert to fraction form
769,994.19/1,062,723.09 = 447,891/x - Step 3: Cross multiply
769,994.19x = 1,062,723.09 × 447,891 - Step 4: Simplify right side
769,994.19x = 475,984,107,503.19 - Step 5: Solve for x
x = 475,984,107,503.19/769,994.19 - Step 6: Final answer
x = 618,165.84
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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.