Finding the Fourth Proportional to 777,180.17, 1,165,927.41 and 327,902.13
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Solution
The fourth proportional to 777,180.17, 1,165,927.41 and 327,902.13 is: 491,919.50
Step by Step Solution
- Step 1: Write the proportion equation
777,180.17 : 1,165,927.41 = 327,902.13 : x - Step 2: Convert to fraction form
777,180.17/1,165,927.41 = 327,902.13/x - Step 3: Cross multiply
777,180.17x = 1,165,927.41 × 327,902.13 - Step 4: Simplify right side
777,180.17x = 382,310,081,164.38 - Step 5: Solve for x
x = 382,310,081,164.38/777,180.17 - Step 6: Final answer
x = 491,919.50
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1.5x scale
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.