Finding the Fourth Proportional to 804,979.29, 1,207,456.36 and 205,935.28
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Solution
The fourth proportional to 804,979.29, 1,207,456.36 and 205,935.28 is: 308,899.70
Step by Step Solution
- Step 1: Write the proportion equation
804,979.29 : 1,207,456.36 = 205,935.28 : x - Step 2: Convert to fraction form
804,979.29/1,207,456.36 = 205,935.28/x - Step 3: Cross multiply
804,979.29x = 1,207,456.36 × 205,935.28 - Step 4: Simplify right side
804,979.29x = 248,657,863,584.38 - Step 5: Solve for x
x = 248,657,863,584.38/804,979.29 - Step 6: Final answer
x = 308,899.70
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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.