Finding the Fourth Proportional to 980,414.24, 1,470,162.08 and 411,673.94
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Solution
The fourth proportional to 980,414.24, 1,470,162.08 and 411,673.94 is: 617,318.06
Step by Step Solution
- Step 1: Write the proportion equation
980,414.24 : 1,470,162.08 = 411,673.94 : x - Step 2: Convert to fraction form
980,414.24/1,470,162.08 = 411,673.94/x - Step 3: Cross multiply
980,414.24x = 1,470,162.08 × 411,673.94 - Step 4: Simplify right side
980,414.24x = 605,227,415,912.20 - Step 5: Solve for x
x = 605,227,415,912.20/980,414.24 - Step 6: Final answer
x = 617,318.06
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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.