Finding the Fourth Proportional to 980,408.56, 1,469,341.36 and 440,266
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Solution
The fourth proportional to 980,408.56, 1,469,341.36 and 440,266 is: 659,828.02
Step by Step Solution
- Step 1: Write the proportion equation
980,408.56 : 1,469,341.36 = 440,266 : x - Step 2: Convert to fraction form
980,408.56/1,469,341.36 = 440,266/x - Step 3: Cross multiply
980,408.56x = 1,469,341.36 × 440,266 - Step 4: Simplify right side
980,408.56x = 646,901,043,201.76 - Step 5: Solve for x
x = 646,901,043,201.76/980,408.56 - Step 6: Final answer
x = 659,828.02
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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.