Finding the Fourth Proportional to 671,845.19, 1,007,761.50 and 272,390.99
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Solution
The fourth proportional to 671,845.19, 1,007,761.50 and 272,390.99 is: 408,583.94
Step by Step Solution
- Step 1: Write the proportion equation
671,845.19 : 1,007,761.50 = 272,390.99 : x - Step 2: Convert to fraction form
671,845.19/1,007,761.50 = 272,390.99/x - Step 3: Cross multiply
671,845.19x = 1,007,761.50 × 272,390.99 - Step 4: Simplify right side
671,845.19x = 274,505,155,188.29 - Step 5: Solve for x
x = 274,505,155,188.29/671,845.19 - Step 6: Final answer
x = 408,583.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.