Finding the Fourth Proportional to 765,825.26, 1,149,447.14 and 387,012.56
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Solution
The fourth proportional to 765,825.26, 1,149,447.14 and 387,012.56 is: 580,877.26
Step by Step Solution
- Step 1: Write the proportion equation
765,825.26 : 1,149,447.14 = 387,012.56 : x - Step 2: Convert to fraction form
765,825.26/1,149,447.14 = 387,012.56/x - Step 3: Cross multiply
765,825.26x = 1,149,447.14 × 387,012.56 - Step 4: Simplify right side
765,825.26x = 444,850,480,236.08 - Step 5: Solve for x
x = 444,850,480,236.08/765,825.26 - Step 6: Final answer
x = 580,877.26
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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.