Finding the Fourth Proportional to 571,819.23, 789,104.84 and 317,163.87
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Solution
The fourth proportional to 571,819.23, 789,104.84 and 317,163.87 is: 437,682.98
Step by Step Solution
- Step 1: Write the proportion equation
571,819.23 : 789,104.84 = 317,163.87 : x - Step 2: Convert to fraction form
571,819.23/789,104.84 = 317,163.87/x - Step 3: Cross multiply
571,819.23x = 789,104.84 × 317,163.87 - Step 4: Simplify right side
571,819.23x = 250,275,543,304.31 - Step 5: Solve for x
x = 250,275,543,304.31/571,819.23 - Step 6: Final answer
x = 437,682.98
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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.