Finding the Fourth Proportional to 751,049.62, 1,036,489.98 and 428,863.21
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Solution
The fourth proportional to 751,049.62, 1,036,489.98 and 428,863.21 is: 591,854.93
Step by Step Solution
- Step 1: Write the proportion equation
751,049.62 : 1,036,489.98 = 428,863.21 : x - Step 2: Convert to fraction form
751,049.62/1,036,489.98 = 428,863.21/x - Step 3: Cross multiply
751,049.62x = 1,036,489.98 × 428,863.21 - Step 4: Simplify right side
751,049.62x = 444,512,419,955.64 - Step 5: Solve for x
x = 444,512,419,955.64/751,049.62 - Step 6: Final answer
x = 591,854.93
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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.