Finding the Fourth Proportional to 543,649.86, 750,212.53 and 325,978.68
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Solution
The fourth proportional to 543,649.86, 750,212.53 and 325,978.68 is: 449,836.02
Step by Step Solution
- Step 1: Write the proportion equation
543,649.86 : 750,212.53 = 325,978.68 : x - Step 2: Convert to fraction form
543,649.86/750,212.53 = 325,978.68/x - Step 3: Cross multiply
543,649.86x = 750,212.53 × 325,978.68 - Step 4: Simplify right side
543,649.86x = 244,553,290,804.08 - Step 5: Solve for x
x = 244,553,290,804.08/543,649.86 - Step 6: Final answer
x = 449,836.02
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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.