Finding the Fourth Proportional to 982,822.87, 1,474,163.20 and 309,096.90
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Solution
The fourth proportional to 982,822.87, 1,474,163.20 and 309,096.90 is: 463,622.99
Step by Step Solution
- Step 1: Write the proportion equation
982,822.87 : 1,474,163.20 = 309,096.90 : x - Step 2: Convert to fraction form
982,822.87/1,474,163.20 = 309,096.90/x - Step 3: Cross multiply
982,822.87x = 1,474,163.20 × 309,096.90 - Step 4: Simplify right side
982,822.87x = 455,659,275,214.08 - Step 5: Solve for x
x = 455,659,275,214.08/982,822.87 - Step 6: Final answer
x = 463,622.99
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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.