Finding the Fourth Proportional to 847,112.97, 1,270,296.42 and 397,961.49
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Solution
The fourth proportional to 847,112.97, 1,270,296.42 and 397,961.49 is: 596,766.99
Step by Step Solution
- Step 1: Write the proportion equation
847,112.97 : 1,270,296.42 = 397,961.49 : x - Step 2: Convert to fraction form
847,112.97/1,270,296.42 = 397,961.49/x - Step 3: Cross multiply
847,112.97x = 1,270,296.42 × 397,961.49 - Step 4: Simplify right side
847,112.97x = 505,529,056,044.87 - Step 5: Solve for x
x = 505,529,056,044.87/847,112.97 - Step 6: Final answer
x = 596,766.99
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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.