Finding the Fourth Proportional to 796,890.24, 1,193,649.89 and 644,433.12
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Solution
The fourth proportional to 796,890.24, 1,193,649.89 and 644,433.12 is: 965,286.66
Step by Step Solution
- Step 1: Write the proportion equation
796,890.24 : 1,193,649.89 = 644,433.12 : x - Step 2: Convert to fraction form
796,890.24/1,193,649.89 = 644,433.12/x - Step 3: Cross multiply
796,890.24x = 1,193,649.89 × 644,433.12 - Step 4: Simplify right side
796,890.24x = 769,227,519,578.19 - Step 5: Solve for x
x = 769,227,519,578.19/796,890.24 - Step 6: Final answer
x = 965,286.66
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1.5x scale
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.