Finding the Fourth Proportional to 776,963.49, 1,165,443.62 and 244,531.05
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Solution
The fourth proportional to 776,963.49, 1,165,443.62 and 244,531.05 is: 366,796.07
Step by Step Solution
- Step 1: Write the proportion equation
776,963.49 : 1,165,443.62 = 244,531.05 : x - Step 2: Convert to fraction form
776,963.49/1,165,443.62 = 244,531.05/x - Step 3: Cross multiply
776,963.49x = 1,165,443.62 × 244,531.05 - Step 4: Simplify right side
776,963.49x = 284,987,150,891.75 - Step 5: Solve for x
x = 284,987,150,891.75/776,963.49 - Step 6: Final answer
x = 366,796.07
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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.