Finding the Fourth Proportional to 738,251.80, 1,107,377.70 and 365,003.80
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Solution
The fourth proportional to 738,251.80, 1,107,377.70 and 365,003.80 is: 547,505.70
Step by Step Solution
- Step 1: Write the proportion equation
738,251.80 : 1,107,377.70 = 365,003.80 : x - Step 2: Convert to fraction form
738,251.80/1,107,377.70 = 365,003.80/x - Step 3: Cross multiply
738,251.80x = 1,107,377.70 × 365,003.80 - Step 4: Simplify right side
738,251.80x = 404,197,068,535.26 - Step 5: Solve for x
x = 404,197,068,535.26/738,251.80 - Step 6: Final answer
x = 547,505.70
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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.