Finding the Fourth Proportional to 843,478.26, 1,265,218.60 and 344,842.26
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Solution
The fourth proportional to 843,478.26, 1,265,218.60 and 344,842.26 is: 517,263.88
Step by Step Solution
- Step 1: Write the proportion equation
843,478.26 : 1,265,218.60 = 344,842.26 : x - Step 2: Convert to fraction form
843,478.26/1,265,218.60 = 344,842.26/x - Step 3: Cross multiply
843,478.26x = 1,265,218.60 × 344,842.26 - Step 4: Simplify right side
843,478.26x = 436,300,841,418.04 - Step 5: Solve for x
x = 436,300,841,418.04/843,478.26 - Step 6: Final answer
x = 517,263.88
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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.