Finding the Fourth Proportional to 638,770.97, 956,163.49 and 470,481.32
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Solution
The fourth proportional to 638,770.97, 956,163.49 and 470,481.32 is: 704,254.08
Step by Step Solution
- Step 1: Write the proportion equation
638,770.97 : 956,163.49 = 470,481.32 : x - Step 2: Convert to fraction form
638,770.97/956,163.49 = 470,481.32/x - Step 3: Cross multiply
638,770.97x = 956,163.49 × 470,481.32 - Step 4: Simplify right side
638,770.97x = 449,857,060,911.01 - Step 5: Solve for x
x = 449,857,060,911.01/638,770.97 - Step 6: Final answer
x = 704,254.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.