Finding the Fourth Proportional to 751,537, 1,037,121.12 and 412,007.68
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Solution
The fourth proportional to 751,537, 1,037,121.12 and 412,007.68 is: 568,570.63
Step by Step Solution
- Step 1: Write the proportion equation
751,537 : 1,037,121.12 = 412,007.68 : x - Step 2: Convert to fraction form
751,537/1,037,121.12 = 412,007.68/x - Step 3: Cross multiply
751,537x = 1,037,121.12 × 412,007.68 - Step 4: Simplify right side
751,537x = 427,301,866,530.20 - Step 5: Solve for x
x = 427,301,866,530.20/751,537 - Step 6: Final answer
x = 568,570.63
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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.