Finding the Fourth Proportional to 699,239.24, 1,048,859.82 and 299,621
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Solution
The fourth proportional to 699,239.24, 1,048,859.82 and 299,621 is: 449,431.91
Step by Step Solution
- Step 1: Write the proportion equation
699,239.24 : 1,048,859.82 = 299,621 : x - Step 2: Convert to fraction form
699,239.24/1,048,859.82 = 299,621/x - Step 3: Cross multiply
699,239.24x = 1,048,859.82 × 299,621 - Step 4: Simplify right side
699,239.24x = 314,260,428,128.22 - Step 5: Solve for x
x = 314,260,428,128.22/699,239.24 - Step 6: Final answer
x = 449,431.91
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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.