Finding the Fourth Proportional to 505,920.62, 698,197.49 and 291,093.44
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Solution
The fourth proportional to 505,920.62, 698,197.49 and 291,093.44 is: 401,724.49
Step by Step Solution
- Step 1: Write the proportion equation
505,920.62 : 698,197.49 = 291,093.44 : x - Step 2: Convert to fraction form
505,920.62/698,197.49 = 291,093.44/x - Step 3: Cross multiply
505,920.62x = 698,197.49 × 291,093.44 - Step 4: Simplify right side
505,920.62x = 203,240,704,217.01 - Step 5: Solve for x
x = 203,240,704,217.01/505,920.62 - Step 6: Final answer
x = 401,724.49
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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.