Finding the Fourth Proportional to 990,419.22, 1,367,104.10 and 582,503.63
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Solution
The fourth proportional to 990,419.22, 1,367,104.10 and 582,503.63 is: 804,046.48
Step by Step Solution
- Step 1: Write the proportion equation
990,419.22 : 1,367,104.10 = 582,503.63 : x - Step 2: Convert to fraction form
990,419.22/1,367,104.10 = 582,503.63/x - Step 3: Cross multiply
990,419.22x = 1,367,104.10 × 582,503.63 - Step 4: Simplify right side
990,419.22x = 796,343,091,089.84 - Step 5: Solve for x
x = 796,343,091,089.84/990,419.22 - Step 6: Final answer
x = 804,046.48
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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.