Finding the Fourth Proportional to 603,919.13, 833,418.99 and 331,998.48
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Solution
The fourth proportional to 603,919.13, 833,418.99 and 331,998.48 is: 458,163.73
Step by Step Solution
- Step 1: Write the proportion equation
603,919.13 : 833,418.99 = 331,998.48 : x - Step 2: Convert to fraction form
603,919.13/833,418.99 = 331,998.48/x - Step 3: Cross multiply
603,919.13x = 833,418.99 × 331,998.48 - Step 4: Simplify right side
603,919.13x = 276,693,837,883.14 - Step 5: Solve for x
x = 276,693,837,883.14/603,919.13 - Step 6: Final answer
x = 458,163.73
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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.