Finding the Fourth Proportional to 765,282.36, 1,147,962.42 and 259,902.84
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Solution
The fourth proportional to 765,282.36, 1,147,962.42 and 259,902.84 is: 389,867.46
Step by Step Solution
- Step 1: Write the proportion equation
765,282.36 : 1,147,962.42 = 259,902.84 : x - Step 2: Convert to fraction form
765,282.36/1,147,962.42 = 259,902.84/x - Step 3: Cross multiply
765,282.36x = 1,147,962.42 × 259,902.84 - Step 4: Simplify right side
765,282.36x = 298,358,693,171.27 - Step 5: Solve for x
x = 298,358,693,171.27/765,282.36 - Step 6: Final answer
x = 389,867.46
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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.