Finding the Fourth Proportional to 638,697.11, 958,045.82 and 259,823.97
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Solution
The fourth proportional to 638,697.11, 958,045.82 and 259,823.97 is: 389,736.02
Step by Step Solution
- Step 1: Write the proportion equation
638,697.11 : 958,045.82 = 259,823.97 : x - Step 2: Convert to fraction form
638,697.11/958,045.82 = 259,823.97/x - Step 3: Cross multiply
638,697.11x = 958,045.82 × 259,823.97 - Step 4: Simplify right side
638,697.11x = 248,923,267,095.19 - Step 5: Solve for x
x = 248,923,267,095.19/638,697.11 - Step 6: Final answer
x = 389,736.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.