Finding the Fourth Proportional to 751,660.44, 1,037,283.66 and 412,128.12
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Solution
The fourth proportional to 751,660.44, 1,037,283.66 and 412,128.12 is: 568,732.56
Step by Step Solution
- Step 1: Write the proportion equation
751,660.44 : 1,037,283.66 = 412,128.12 : x - Step 2: Convert to fraction form
751,660.44/1,037,283.66 = 412,128.12/x - Step 3: Cross multiply
751,660.44x = 1,037,283.66 × 412,128.12 - Step 4: Simplify right side
751,660.44x = 427,493,764,702.52 - Step 5: Solve for x
x = 427,493,764,702.52/751,660.44 - Step 6: Final answer
x = 568,732.56
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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.