Finding the Fourth Proportional to 638,019.75, 880,487.18 and 366,137.37
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Solution
The fourth proportional to 638,019.75, 880,487.18 and 366,137.37 is: 505,281.00
Step by Step Solution
- Step 1: Write the proportion equation
638,019.75 : 880,487.18 = 366,137.37 : x - Step 2: Convert to fraction form
638,019.75/880,487.18 = 366,137.37/x - Step 3: Cross multiply
638,019.75x = 880,487.18 × 366,137.37 - Step 4: Simplify right side
638,019.75x = 322,379,260,403.92 - Step 5: Solve for x
x = 322,379,260,403.92/638,019.75 - Step 6: Final answer
x = 505,281.00
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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.