Finding the Fourth Proportional to 419,981.44, 629,349.84 and 345,629.92
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Solution
The fourth proportional to 419,981.44, 629,349.84 and 345,629.92 is: 517,932.73
Step by Step Solution
- Step 1: Write the proportion equation
419,981.44 : 629,349.84 = 345,629.92 : x - Step 2: Convert to fraction form
419,981.44/629,349.84 = 345,629.92/x - Step 3: Cross multiply
419,981.44x = 629,349.84 × 345,629.92 - Step 4: Simplify right side
419,981.44x = 217,522,134,851.21 - Step 5: Solve for x
x = 217,522,134,851.21/419,981.44 - Step 6: Final answer
x = 517,932.73
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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.