Finding the Fourth Proportional to 738,366.80, 1,107,226.20 and 338,874.80
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Solution
The fourth proportional to 738,366.80, 1,107,226.20 and 338,874.80 is: 508,163.50
Step by Step Solution
- Step 1: Write the proportion equation
738,366.80 : 1,107,226.20 = 338,874.80 : x - Step 2: Convert to fraction form
738,366.80/1,107,226.20 = 338,874.80/x - Step 3: Cross multiply
738,366.80x = 1,107,226.20 × 338,874.80 - Step 4: Simplify right side
738,366.80x = 375,211,057,079.76 - Step 5: Solve for x
x = 375,211,057,079.76/738,366.80 - Step 6: Final answer
x = 508,163.50
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1.5x scale
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.