Finding the Fourth Proportional to 994,358.76, 1,372,170.81 and 580,933.84
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Solution
The fourth proportional to 994,358.76, 1,372,170.81 and 580,933.84 is: 801,662.83
Step by Step Solution
- Step 1: Write the proportion equation
994,358.76 : 1,372,170.81 = 580,933.84 : x - Step 2: Convert to fraction form
994,358.76/1,372,170.81 = 580,933.84/x - Step 3: Cross multiply
994,358.76x = 1,372,170.81 × 580,933.84 - Step 4: Simplify right side
994,358.76x = 797,140,457,789.21 - Step 5: Solve for x
x = 797,140,457,789.21/994,358.76 - Step 6: Final answer
x = 801,662.83
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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.