Finding the Fourth Proportional to 843,163.67, 1,163,678.41 and 475,716.23
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Solution
The fourth proportional to 843,163.67, 1,163,678.41 and 475,716.23 is: 656,551.90
Step by Step Solution
- Step 1: Write the proportion equation
843,163.67 : 1,163,678.41 = 475,716.23 : x - Step 2: Convert to fraction form
843,163.67/1,163,678.41 = 475,716.23/x - Step 3: Cross multiply
843,163.67x = 1,163,678.41 × 475,716.23 - Step 4: Simplify right side
843,163.67x = 553,580,706,137.59 - Step 5: Solve for x
x = 553,580,706,137.59/843,163.67 - Step 6: Final answer
x = 656,551.90
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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.