Finding the Fourth Proportional to 738,163.94, 1,107,245.84 and 422,397.59
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Solution
The fourth proportional to 738,163.94, 1,107,245.84 and 422,397.59 is: 633,596.34
Step by Step Solution
- Step 1: Write the proportion equation
738,163.94 : 1,107,245.84 = 422,397.59 : x - Step 2: Convert to fraction form
738,163.94/1,107,245.84 = 422,397.59/x - Step 3: Cross multiply
738,163.94x = 1,107,245.84 × 422,397.59 - Step 4: Simplify right side
738,163.94x = 467,697,966,705.31 - Step 5: Solve for x
x = 467,697,966,705.31/738,163.94 - Step 6: Final answer
x = 633,596.34
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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.