Finding the Fourth Proportional to 1,394,163.70, 2,091,202.35 and 396,891.70
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Solution
The fourth proportional to 1,394,163.70, 2,091,202.35 and 396,891.70 is: 595,325.25
Step by Step Solution
- Step 1: Write the proportion equation
1,394,163.70 : 2,091,202.35 = 396,891.70 : x - Step 2: Convert to fraction form
1,394,163.70/2,091,202.35 = 396,891.70/x - Step 3: Cross multiply
1,394,163.70x = 2,091,202.35 × 396,891.70 - Step 4: Simplify right side
1,394,163.70x = 829,980,855,735.50 - Step 5: Solve for x
x = 829,980,855,735.50/1,394,163.70 - Step 6: Final answer
x = 595,325.25
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1.5x scale
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.