Finding the Fourth Proportional to 987,581.19, 1,481,371.84 and 277,609.31
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Solution
The fourth proportional to 987,581.19, 1,481,371.84 and 277,609.31 is: 416,413.98
Step by Step Solution
- Step 1: Write the proportion equation
987,581.19 : 1,481,371.84 = 277,609.31 : x - Step 2: Convert to fraction form
987,581.19/1,481,371.84 = 277,609.31/x - Step 3: Cross multiply
987,581.19x = 1,481,371.84 × 277,609.31 - Step 4: Simplify right side
987,581.19x = 411,242,612,851.13 - Step 5: Solve for x
x = 411,242,612,851.13/987,581.19 - Step 6: Final answer
x = 416,413.98
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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.