Finding the Fourth Proportional to 751,755.84, 1,037,421.72 and 412,245.96
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Solution
The fourth proportional to 751,755.84, 1,037,421.72 and 412,245.96 is: 568,898.69
Step by Step Solution
- Step 1: Write the proportion equation
751,755.84 : 1,037,421.72 = 412,245.96 : x - Step 2: Convert to fraction form
751,755.84/1,037,421.72 = 412,245.96/x - Step 3: Cross multiply
751,755.84x = 1,037,421.72 × 412,245.96 - Step 4: Simplify right side
751,755.84x = 427,672,912,886.25 - Step 5: Solve for x
x = 427,672,912,886.25/751,755.84 - Step 6: Final answer
x = 568,898.69
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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.