Finding the Fourth Proportional to 756,245.13, 1,043,644.67 and 412,109.42
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Solution
The fourth proportional to 756,245.13, 1,043,644.67 and 412,109.42 is: 568,725.37
Step by Step Solution
- Step 1: Write the proportion equation
756,245.13 : 1,043,644.67 = 412,109.42 : x - Step 2: Convert to fraction form
756,245.13/1,043,644.67 = 412,109.42/x - Step 3: Cross multiply
756,245.13x = 1,043,644.67 × 412,109.42 - Step 4: Simplify right side
756,245.13x = 430,095,792,361.02 - Step 5: Solve for x
x = 430,095,792,361.02/756,245.13 - Step 6: Final answer
x = 568,725.37
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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.