Finding the Fourth Proportional to 494,554.48, 682,413.36 and 276,762.10
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Solution
The fourth proportional to 494,554.48, 682,413.36 and 276,762.10 is: 381,891.50
Step by Step Solution
- Step 1: Write the proportion equation
494,554.48 : 682,413.36 = 276,762.10 : x - Step 2: Convert to fraction form
494,554.48/682,413.36 = 276,762.10/x - Step 3: Cross multiply
494,554.48x = 682,413.36 × 276,762.10 - Step 4: Simplify right side
494,554.48x = 188,866,154,581.66 - Step 5: Solve for x
x = 188,866,154,581.66/494,554.48 - Step 6: Final answer
x = 381,891.50
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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.