Finding the Fourth Proportional to 712,464.20, 1,068,608.12 and 263,175.12
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Solution
The fourth proportional to 712,464.20, 1,068,608.12 and 263,175.12 is: 394,730.11
Step by Step Solution
- Step 1: Write the proportion equation
712,464.20 : 1,068,608.12 = 263,175.12 : x - Step 2: Convert to fraction form
712,464.20/1,068,608.12 = 263,175.12/x - Step 3: Cross multiply
712,464.20x = 1,068,608.12 × 263,175.12 - Step 4: Simplify right side
712,464.20x = 281,231,070,213.97 - Step 5: Solve for x
x = 281,231,070,213.97/712,464.20 - Step 6: Final answer
x = 394,730.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.