Finding the Fourth Proportional to 582,843.84, 804,413.76 and 353,438.40
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Solution
The fourth proportional to 582,843.84, 804,413.76 and 353,438.40 is: 487,799.12
Step by Step Solution
- Step 1: Write the proportion equation
582,843.84 : 804,413.76 = 353,438.40 : x - Step 2: Convert to fraction form
582,843.84/804,413.76 = 353,438.40/x - Step 3: Cross multiply
582,843.84x = 804,413.76 × 353,438.40 - Step 4: Simplify right side
582,843.84x = 284,310,712,272.38 - Step 5: Solve for x
x = 284,310,712,272.38/582,843.84 - Step 6: Final answer
x = 487,799.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.