Finding the Fourth Proportional to 412,935.26, 618,984.57 and 279,828.98
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Solution
The fourth proportional to 412,935.26, 618,984.57 and 279,828.98 is: 419,459.99
Step by Step Solution
- Step 1: Write the proportion equation
412,935.26 : 618,984.57 = 279,828.98 : x - Step 2: Convert to fraction form
412,935.26/618,984.57 = 279,828.98/x - Step 3: Cross multiply
412,935.26x = 618,984.57 × 279,828.98 - Step 4: Simplify right side
412,935.26x = 173,209,820,858.84 - Step 5: Solve for x
x = 173,209,820,858.84/412,935.26 - Step 6: Final answer
x = 419,459.99
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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.