Finding the Fourth Proportional to 798,687.67, 1,102,194.32 and 436,114.05
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Solution
The fourth proportional to 798,687.67, 1,102,194.32 and 436,114.05 is: 601,840.30
Step by Step Solution
- Step 1: Write the proportion equation
798,687.67 : 1,102,194.32 = 436,114.05 : x - Step 2: Convert to fraction form
798,687.67/1,102,194.32 = 436,114.05/x - Step 3: Cross multiply
798,687.67x = 1,102,194.32 × 436,114.05 - Step 4: Simplify right side
798,687.67x = 480,682,428,782.20 - Step 5: Solve for x
x = 480,682,428,782.20/798,687.67 - Step 6: Final answer
x = 601,840.30
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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.