Finding the Fourth Proportional to 980,938.62, 1,471,975.74 and 412,274.88
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Solution
The fourth proportional to 980,938.62, 1,471,975.74 and 412,274.88 is: 618,650.96
Step by Step Solution
- Step 1: Write the proportion equation
980,938.62 : 1,471,975.74 = 412,274.88 : x - Step 2: Convert to fraction form
980,938.62/1,471,975.74 = 412,274.88/x - Step 3: Cross multiply
980,938.62x = 1,471,975.74 × 412,274.88 - Step 4: Simplify right side
980,938.62x = 606,858,621,571.41 - Step 5: Solve for x
x = 606,858,621,571.41/980,938.62 - Step 6: Final answer
x = 618,650.96
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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.