Finding the Fourth Proportional to 982,157.76, 1,354,453.92 and 908,850.24
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Solution
The fourth proportional to 982,157.76, 1,354,453.92 and 908,850.24 is: 1,253,358.49
Step by Step Solution
- Step 1: Write the proportion equation
982,157.76 : 1,354,453.92 = 908,850.24 : x - Step 2: Convert to fraction form
982,157.76/1,354,453.92 = 908,850.24/x - Step 3: Cross multiply
982,157.76x = 1,354,453.92 × 908,850.24 - Step 4: Simplify right side
982,157.76x = 1,230,995,770,260.94 - Step 5: Solve for x
x = 1,230,995,770,260.94/982,157.76 - Step 6: Final answer
x = 1,253,358.49
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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.