Finding the Fourth Proportional to 776,708.14, 1,165,341.66 and 271,343.48
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Solution
The fourth proportional to 776,708.14, 1,165,341.66 and 271,343.48 is: 407,112.85
Step by Step Solution
- Step 1: Write the proportion equation
776,708.14 : 1,165,341.66 = 271,343.48 : x - Step 2: Convert to fraction form
776,708.14/1,165,341.66 = 271,343.48/x - Step 3: Cross multiply
776,708.14x = 1,165,341.66 × 271,343.48 - Step 4: Simplify right side
776,708.14x = 316,207,861,413.38 - Step 5: Solve for x
x = 316,207,861,413.38/776,708.14 - Step 6: Final answer
x = 407,112.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.