Finding the Fourth Proportional to 756,448.26, 1,135,016.84 and 283,170.52
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Solution
The fourth proportional to 756,448.26, 1,135,016.84 and 283,170.52 is: 424,884.72
Step by Step Solution
- Step 1: Write the proportion equation
756,448.26 : 1,135,016.84 = 283,170.52 : x - Step 2: Convert to fraction form
756,448.26/1,135,016.84 = 283,170.52/x - Step 3: Cross multiply
756,448.26x = 1,135,016.84 × 283,170.52 - Step 4: Simplify right side
756,448.26x = 321,403,308,791.56 - Step 5: Solve for x
x = 321,403,308,791.56/756,448.26 - Step 6: Final answer
x = 424,884.72
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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.