Finding the Fourth Proportional to 682,073.99, 1,022,698.88 and 271,806.40
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Solution
The fourth proportional to 682,073.99, 1,022,698.88 and 271,806.40 is: 407,545.38
Step by Step Solution
- Step 1: Write the proportion equation
682,073.99 : 1,022,698.88 = 271,806.40 : x - Step 2: Convert to fraction form
682,073.99/1,022,698.88 = 271,806.40/x - Step 3: Cross multiply
682,073.99x = 1,022,698.88 × 271,806.40 - Step 4: Simplify right side
682,073.99x = 277,976,100,856.83 - Step 5: Solve for x
x = 277,976,100,856.83/682,073.99 - Step 6: Final answer
x = 407,545.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.