Finding the Fourth Proportional to 774,627.13, 1,161,939.79 and 269,188.14
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Solution
The fourth proportional to 774,627.13, 1,161,939.79 and 269,188.14 is: 403,781.90
Step by Step Solution
- Step 1: Write the proportion equation
774,627.13 : 1,161,939.79 = 269,188.14 : x - Step 2: Convert to fraction form
774,627.13/1,161,939.79 = 269,188.14/x - Step 3: Cross multiply
774,627.13x = 1,161,939.79 × 269,188.14 - Step 4: Simplify right side
774,627.13x = 312,780,415,555.85 - Step 5: Solve for x
x = 312,780,415,555.85/774,627.13 - Step 6: Final answer
x = 403,781.90
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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.