Finding the Fourth Proportional to 990,363.38, 1,366,707.05 and 582,482.42
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Solution
The fourth proportional to 990,363.38, 1,366,707.05 and 582,482.42 is: 803,829.02
Step by Step Solution
- Step 1: Write the proportion equation
990,363.38 : 1,366,707.05 = 582,482.42 : x - Step 2: Convert to fraction form
990,363.38/1,366,707.05 = 582,482.42/x - Step 3: Cross multiply
990,363.38x = 1,366,707.05 × 582,482.42 - Step 4: Simplify right side
990,363.38x = 796,082,829,915.06 - Step 5: Solve for x
x = 796,082,829,915.06/990,363.38 - Step 6: Final answer
x = 803,829.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.