Finding the Fourth Proportional to 769,912.62, 1,062,486.29 and 425,771.70
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Solution
The fourth proportional to 769,912.62, 1,062,486.29 and 425,771.70 is: 587,568.75
Step by Step Solution
- Step 1: Write the proportion equation
769,912.62 : 1,062,486.29 = 425,771.70 : x - Step 2: Convert to fraction form
769,912.62/1,062,486.29 = 425,771.70/x - Step 3: Cross multiply
769,912.62x = 1,062,486.29 × 425,771.70 - Step 4: Simplify right side
769,912.62x = 452,376,593,919.99 - Step 5: Solve for x
x = 452,376,593,919.99/769,912.62 - Step 6: Final answer
x = 587,568.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.