Finding the Fourth Proportional to 990,241.72, 1,366,566.12 and 560,512.62
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Solution
The fourth proportional to 990,241.72, 1,366,566.12 and 560,512.62 is: 773,525.84
Step by Step Solution
- Step 1: Write the proportion equation
990,241.72 : 1,366,566.12 = 560,512.62 : x - Step 2: Convert to fraction form
990,241.72/1,366,566.12 = 560,512.62/x - Step 3: Cross multiply
990,241.72x = 1,366,566.12 × 560,512.62 - Step 4: Simplify right side
990,241.72x = 765,977,556,324.44 - Step 5: Solve for x
x = 765,977,556,324.44/990,241.72 - Step 6: Final answer
x = 773,525.84
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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.