Finding the Fourth Proportional to 990,355.77, 1,366,696.62 and 582,474.78
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Solution
The fourth proportional to 990,355.77, 1,366,696.62 and 582,474.78 is: 803,818.52
Step by Step Solution
- Step 1: Write the proportion equation
990,355.77 : 1,366,696.62 = 582,474.78 : x - Step 2: Convert to fraction form
990,355.77/1,366,696.62 = 582,474.78/x - Step 3: Cross multiply
990,355.77x = 1,366,696.62 × 582,474.78 - Step 4: Simplify right side
990,355.77x = 796,066,313,061.24 - Step 5: Solve for x
x = 796,066,313,061.24/990,355.77 - Step 6: Final answer
x = 803,818.52
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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.