Finding the Fourth Proportional to 768,380.99, 1,149,716.97 and 482,734.17
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Solution
The fourth proportional to 768,380.99, 1,149,716.97 and 482,734.17 is: 722,307.92
Step by Step Solution
- Step 1: Write the proportion equation
768,380.99 : 1,149,716.97 = 482,734.17 : x - Step 2: Convert to fraction form
768,380.99/1,149,716.97 = 482,734.17/x - Step 3: Cross multiply
768,380.99x = 1,149,716.97 × 482,734.17 - Step 4: Simplify right side
768,380.99x = 555,007,667,247.87 - Step 5: Solve for x
x = 555,007,667,247.87/768,380.99 - Step 6: Final answer
x = 722,307.92
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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.