Finding the Fourth Proportional to 800,912.28, 1,201,120.72 and 232,335.24
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Solution
The fourth proportional to 800,912.28, 1,201,120.72 and 232,335.24 is: 348,431.01
Step by Step Solution
- Step 1: Write the proportion equation
800,912.28 : 1,201,120.72 = 232,335.24 : x - Step 2: Convert to fraction form
800,912.28/1,201,120.72 = 232,335.24/x - Step 3: Cross multiply
800,912.28x = 1,201,120.72 × 232,335.24 - Step 4: Simplify right side
800,912.28x = 279,062,670,750.17 - Step 5: Solve for x
x = 279,062,670,750.17/800,912.28 - Step 6: Final answer
x = 348,431.01
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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.