Finding the Fourth Proportional to 756,355.92, 1,043,771.39 and 412,191.99
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Solution
The fourth proportional to 756,355.92, 1,043,771.39 and 412,191.99 is: 568,825.06
Step by Step Solution
- Step 1: Write the proportion equation
756,355.92 : 1,043,771.39 = 412,191.99 : x - Step 2: Convert to fraction form
756,355.92/1,043,771.39 = 412,191.99/x - Step 3: Cross multiply
756,355.92x = 1,043,771.39 × 412,191.99 - Step 4: Simplify right side
756,355.92x = 430,234,204,288.21 - Step 5: Solve for x
x = 430,234,204,288.21/756,355.92 - Step 6: Final answer
x = 568,825.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.