Finding the Fourth Proportional to 586,669.75, 878,516.09 and 491,650.07
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Solution
The fourth proportional to 586,669.75, 878,516.09 and 491,650.07 is: 736,227.65
Step by Step Solution
- Step 1: Write the proportion equation
586,669.75 : 878,516.09 = 491,650.07 : x - Step 2: Convert to fraction form
586,669.75/878,516.09 = 491,650.07/x - Step 3: Cross multiply
586,669.75x = 878,516.09 × 491,650.07 - Step 4: Simplify right side
586,669.75x = 431,922,492,137.48 - Step 5: Solve for x
x = 431,922,492,137.48/586,669.75 - Step 6: Final answer
x = 736,227.65
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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.