Finding the Fourth Proportional to 756,346.43, 1,043,727.69 and 412,175.05
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Solution
The fourth proportional to 756,346.43, 1,043,727.69 and 412,175.05 is: 568,785.01
Step by Step Solution
- Step 1: Write the proportion equation
756,346.43 : 1,043,727.69 = 412,175.05 : x - Step 2: Convert to fraction form
756,346.43/1,043,727.69 = 412,175.05/x - Step 3: Cross multiply
756,346.43x = 1,043,727.69 × 412,175.05 - Step 4: Simplify right side
756,346.43x = 430,198,510,751.26 - Step 5: Solve for x
x = 430,198,510,751.26/756,346.43 - Step 6: Final answer
x = 568,785.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.