Finding the Fourth Proportional to 660,882.24, 912,062.60 and 374,404.68
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Solution
The fourth proportional to 660,882.24, 912,062.60 and 374,404.68 is: 516,704.01
Step by Step Solution
- Step 1: Write the proportion equation
660,882.24 : 912,062.60 = 374,404.68 : x - Step 2: Convert to fraction form
660,882.24/912,062.60 = 374,404.68/x - Step 3: Cross multiply
660,882.24x = 912,062.60 × 374,404.68 - Step 4: Simplify right side
660,882.24x = 341,480,505,892.97 - Step 5: Solve for x
x = 341,480,505,892.97/660,882.24 - Step 6: Final answer
x = 516,704.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.