Finding the Fourth Proportional to 664,124.57, 995,859.31 and 279,803.26
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Solution
The fourth proportional to 664,124.57, 995,859.31 and 279,803.26 is: 419,566.89
Step by Step Solution
- Step 1: Write the proportion equation
664,124.57 : 995,859.31 = 279,803.26 : x - Step 2: Convert to fraction form
664,124.57/995,859.31 = 279,803.26/x - Step 3: Cross multiply
664,124.57x = 995,859.31 × 279,803.26 - Step 4: Simplify right side
664,124.57x = 278,644,682,509.30 - Step 5: Solve for x
x = 278,644,682,509.30/664,124.57 - Step 6: Final answer
x = 419,566.89
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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.