Finding the Fourth Proportional to 693,609.75, 1,040,414.63 and 194,973.75
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Solution
The fourth proportional to 693,609.75, 1,040,414.63 and 194,973.75 is: 292,460.63
Step by Step Solution
- Step 1: Write the proportion equation
693,609.75 : 1,040,414.63 = 194,973.75 : x - Step 2: Convert to fraction form
693,609.75/1,040,414.63 = 194,973.75/x - Step 3: Cross multiply
693,609.75x = 1,040,414.63 × 194,973.75 - Step 4: Simplify right side
693,609.75x = 202,853,540,991.09 - Step 5: Solve for x
x = 202,853,540,991.09/693,609.75 - Step 6: Final answer
x = 292,460.63
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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.