Finding the Fourth Proportional to 756,349.92, 1,043,763.10 and 412,185.98
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Solution
The fourth proportional to 756,349.92, 1,043,763.10 and 412,185.98 is: 568,816.77
Step by Step Solution
- Step 1: Write the proportion equation
756,349.92 : 1,043,763.10 = 412,185.98 : x - Step 2: Convert to fraction form
756,349.92/1,043,763.10 = 412,185.98/x - Step 3: Cross multiply
756,349.92x = 1,043,763.10 × 412,185.98 - Step 4: Simplify right side
756,349.92x = 430,224,517,840.28 - Step 5: Solve for x
x = 430,224,517,840.28/756,349.92 - Step 6: Final answer
x = 568,816.77
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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.