Finding the Fourth Proportional to 720,133.93, 1,080,361.73 and 270,858.66
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Solution
The fourth proportional to 720,133.93, 1,080,361.73 and 270,858.66 is: 406,348.48
Step by Step Solution
- Step 1: Write the proportion equation
720,133.93 : 1,080,361.73 = 270,858.66 : x - Step 2: Convert to fraction form
720,133.93/1,080,361.73 = 270,858.66/x - Step 3: Cross multiply
720,133.93x = 1,080,361.73 × 270,858.66 - Step 4: Simplify right side
720,133.93x = 292,625,330,503.08 - Step 5: Solve for x
x = 292,625,330,503.08/720,133.93 - Step 6: Final answer
x = 406,348.48
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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.