Finding the Fourth Proportional to 389,838.44, 584,962.60 and 276,716.28
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Solution
The fourth proportional to 389,838.44, 584,962.60 and 276,716.28 is: 415,219.89
Step by Step Solution
- Step 1: Write the proportion equation
389,838.44 : 584,962.60 = 276,716.28 : x - Step 2: Convert to fraction form
389,838.44/584,962.60 = 276,716.28/x - Step 3: Cross multiply
389,838.44x = 584,962.60 × 276,716.28 - Step 4: Simplify right side
389,838.44x = 161,868,674,611.13 - Step 5: Solve for x
x = 161,868,674,611.13/389,838.44 - Step 6: Final answer
x = 415,219.89
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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.