Finding the Fourth Proportional to 664,544.77, 996,768.95 and 259,660.87
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Solution
The fourth proportional to 664,544.77, 996,768.95 and 259,660.87 is: 389,472.47
Step by Step Solution
- Step 1: Write the proportion equation
664,544.77 : 996,768.95 = 259,660.87 : x - Step 2: Convert to fraction form
664,544.77/996,768.95 = 259,660.87/x - Step 3: Cross multiply
664,544.77x = 996,768.95 × 259,660.87 - Step 4: Simplify right side
664,544.77x = 258,821,892,745.99 - Step 5: Solve for x
x = 258,821,892,745.99/664,544.77 - Step 6: Final answer
x = 389,472.47
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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.