Finding the Fourth Proportional to 990,354.27, 1,366,694.55 and 582,473.28
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Solution
The fourth proportional to 990,354.27, 1,366,694.55 and 582,473.28 is: 803,816.45
Step by Step Solution
- Step 1: Write the proportion equation
990,354.27 : 1,366,694.55 = 582,473.28 : x - Step 2: Convert to fraction form
990,354.27/1,366,694.55 = 582,473.28/x - Step 3: Cross multiply
990,354.27x = 1,366,694.55 × 582,473.28 - Step 4: Simplify right side
990,354.27x = 796,063,057,296.62 - Step 5: Solve for x
x = 796,063,057,296.62/990,354.27 - Step 6: Final answer
x = 803,816.45
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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.