Finding the Fourth Proportional to 847,111.97, 1,270,294.92 and 397,960.49
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Solution
The fourth proportional to 847,111.97, 1,270,294.92 and 397,960.49 is: 596,765.48
Step by Step Solution
- Step 1: Write the proportion equation
847,111.97 : 1,270,294.92 = 397,960.49 : x - Step 2: Convert to fraction form
847,111.97/1,270,294.92 = 397,960.49/x - Step 3: Cross multiply
847,111.97x = 1,270,294.92 × 397,960.49 - Step 4: Simplify right side
847,111.97x = 505,527,182,456.24 - Step 5: Solve for x
x = 505,527,182,456.24/847,111.97 - Step 6: Final answer
x = 596,765.48
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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.