Finding the Fourth Proportional to 756,351.92, 1,043,765.86 and 412,187.98
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Solution
The fourth proportional to 756,351.92, 1,043,765.86 and 412,187.98 is: 568,819.53
Step by Step Solution
- Step 1: Write the proportion equation
756,351.92 : 1,043,765.86 = 412,187.98 : x - Step 2: Convert to fraction form
756,351.92/1,043,765.86 = 412,187.98/x - Step 3: Cross multiply
756,351.92x = 1,043,765.86 × 412,187.98 - Step 4: Simplify right side
756,351.92x = 430,227,741,426.36 - Step 5: Solve for x
x = 430,227,741,426.36/756,351.92 - Step 6: Final answer
x = 568,819.53
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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.