Finding the Fourth Proportional to 790,694.26, 1,186,114.29 and 258,218.08
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Solution
The fourth proportional to 790,694.26, 1,186,114.29 and 258,218.08 is: 387,350.92
Step by Step Solution
- Step 1: Write the proportion equation
790,694.26 : 1,186,114.29 = 258,218.08 : x - Step 2: Convert to fraction form
790,694.26/1,186,114.29 = 258,218.08/x - Step 3: Cross multiply
790,694.26x = 1,186,114.29 × 258,218.08 - Step 4: Simplify right side
790,694.26x = 306,276,150,690.76 - Step 5: Solve for x
x = 306,276,150,690.76/790,694.26 - Step 6: Final answer
x = 387,350.92
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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.