Finding the Fourth Proportional to 579,163.60, 868,716.60 and 298,709.20
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Solution
The fourth proportional to 579,163.60, 868,716.60 and 298,709.20 is: 448,048.95
Step by Step Solution
- Step 1: Write the proportion equation
579,163.60 : 868,716.60 = 298,709.20 : x - Step 2: Convert to fraction form
579,163.60/868,716.60 = 298,709.20/x - Step 3: Cross multiply
579,163.60x = 868,716.60 × 298,709.20 - Step 4: Simplify right side
579,163.60x = 259,493,640,612.72 - Step 5: Solve for x
x = 259,493,640,612.72/579,163.60 - Step 6: Final answer
x = 448,048.95
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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.