Finding the Fourth Proportional to 693,547.62, 1,040,321.41 and 194,911.62
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Solution
The fourth proportional to 693,547.62, 1,040,321.41 and 194,911.62 is: 292,367.42
Step by Step Solution
- Step 1: Write the proportion equation
693,547.62 : 1,040,321.41 = 194,911.62 : x - Step 2: Convert to fraction form
693,547.62/1,040,321.41 = 194,911.62/x - Step 3: Cross multiply
693,547.62x = 1,040,321.41 × 194,911.62 - Step 4: Simplify right side
693,547.62x = 202,770,731,343.78 - Step 5: Solve for x
x = 202,770,731,343.78/693,547.62 - Step 6: Final answer
x = 292,367.42
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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.