Finding the Fourth Proportional to 603,775.94, 833,219.42 and 331,868.97
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Solution
The fourth proportional to 603,775.94, 833,219.42 and 331,868.97 is: 457,983.92
Step by Step Solution
- Step 1: Write the proportion equation
603,775.94 : 833,219.42 = 331,868.97 : x - Step 2: Convert to fraction form
603,775.94/833,219.42 = 331,868.97/x - Step 3: Cross multiply
603,775.94x = 833,219.42 × 331,868.97 - Step 4: Simplify right side
603,775.94x = 276,519,669,040.05 - Step 5: Solve for x
x = 276,519,669,040.05/603,775.94 - Step 6: Final answer
x = 457,983.92
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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.