Finding the Fourth Proportional to 693,613.13, 1,040,419.71 and 194,977.13
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Solution
The fourth proportional to 693,613.13, 1,040,419.71 and 194,977.13 is: 292,465.69
Step by Step Solution
- Step 1: Write the proportion equation
693,613.13 : 1,040,419.71 = 194,977.13 : x - Step 2: Convert to fraction form
693,613.13/1,040,419.71 = 194,977.13/x - Step 3: Cross multiply
693,613.13x = 1,040,419.71 × 194,977.13 - Step 4: Simplify right side
693,613.13x = 202,858,043,849.13 - Step 5: Solve for x
x = 202,858,043,849.13/693,613.13 - Step 6: Final answer
x = 292,465.69
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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.