Finding the Fourth Proportional to 585,091.68, 807,486.12 and 421,882.44
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Solution
The fourth proportional to 585,091.68, 807,486.12 and 421,882.44 is: 582,240.74
Step by Step Solution
- Step 1: Write the proportion equation
585,091.68 : 807,486.12 = 421,882.44 : x - Step 2: Convert to fraction form
585,091.68/807,486.12 = 421,882.44/x - Step 3: Cross multiply
585,091.68x = 807,486.12 × 421,882.44 - Step 4: Simplify right side
585,091.68x = 340,664,214,571.73 - Step 5: Solve for x
x = 340,664,214,571.73/585,091.68 - Step 6: Final answer
x = 582,240.74
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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.