Finding the Fourth Proportional to 627,880.53, 866,469.11 and 341,400.68
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Solution
The fourth proportional to 627,880.53, 866,469.11 and 341,400.68 is: 471,129.66
Step by Step Solution
- Step 1: Write the proportion equation
627,880.53 : 866,469.11 = 341,400.68 : x - Step 2: Convert to fraction form
627,880.53/866,469.11 = 341,400.68/x - Step 3: Cross multiply
627,880.53x = 866,469.11 × 341,400.68 - Step 4: Simplify right side
627,880.53x = 295,813,143,353.00 - Step 5: Solve for x
x = 295,813,143,353.00/627,880.53 - Step 6: Final answer
x = 471,129.66
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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.