Finding the Fourth Proportional to 843,480.26, 1,265,221.60 and 344,844.26
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Solution
The fourth proportional to 843,480.26, 1,265,221.60 and 344,844.26 is: 517,266.88
Step by Step Solution
- Step 1: Write the proportion equation
843,480.26 : 1,265,221.60 = 344,844.26 : x - Step 2: Convert to fraction form
843,480.26/1,265,221.60 = 344,844.26/x - Step 3: Cross multiply
843,480.26x = 1,265,221.60 × 344,844.26 - Step 4: Simplify right side
843,480.26x = 436,304,406,388.02 - Step 5: Solve for x
x = 436,304,406,388.02/843,480.26 - Step 6: Final answer
x = 517,266.88
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1.5x scale
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.