Finding the Fourth Proportional to 880,384.68, 1,320,542.30 and 311,742.81
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Solution
The fourth proportional to 880,384.68, 1,320,542.30 and 311,742.81 is: 467,601.92
Step by Step Solution
- Step 1: Write the proportion equation
880,384.68 : 1,320,542.30 = 311,742.81 : x - Step 2: Convert to fraction form
880,384.68/1,320,542.30 = 311,742.81/x - Step 3: Cross multiply
880,384.68x = 1,320,542.30 × 311,742.81 - Step 4: Simplify right side
880,384.68x = 411,669,568,105.22 - Step 5: Solve for x
x = 411,669,568,105.22/880,384.68 - Step 6: Final answer
x = 467,601.92
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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.