Finding the Fourth Proportional to 722,960.80, 1,084,233.84 and 279,625.12
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Solution
The fourth proportional to 722,960.80, 1,084,233.84 and 279,625.12 is: 419,357.48
Step by Step Solution
- Step 1: Write the proportion equation
722,960.80 : 1,084,233.84 = 279,625.12 : x - Step 2: Convert to fraction form
722,960.80/1,084,233.84 = 279,625.12/x - Step 3: Cross multiply
722,960.80x = 1,084,233.84 × 279,625.12 - Step 4: Simplify right side
722,960.80x = 303,179,017,618.06 - Step 5: Solve for x
x = 303,179,017,618.06/722,960.80 - Step 6: Final answer
x = 419,357.48
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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.