Finding the Fourth Proportional to 876,175.26, 1,313,697.86 and 343,750.12
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Solution
The fourth proportional to 876,175.26, 1,313,697.86 and 343,750.12 is: 515,403.50
Step by Step Solution
- Step 1: Write the proportion equation
876,175.26 : 1,313,697.86 = 343,750.12 : x - Step 2: Convert to fraction form
876,175.26/1,313,697.86 = 343,750.12/x - Step 3: Cross multiply
876,175.26x = 1,313,697.86 × 343,750.12 - Step 4: Simplify right side
876,175.26x = 451,583,797,018.74 - Step 5: Solve for x
x = 451,583,797,018.74/876,175.26 - Step 6: Final answer
x = 515,403.50
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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.