Finding the Fourth Proportional to 743,197.44, 1,114,793.76 and 210,722.88
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Solution
The fourth proportional to 743,197.44, 1,114,793.76 and 210,722.88 is: 316,083.64
Step by Step Solution
- Step 1: Write the proportion equation
743,197.44 : 1,114,793.76 = 210,722.88 : x - Step 2: Convert to fraction form
743,197.44/1,114,793.76 = 210,722.88/x - Step 3: Cross multiply
743,197.44x = 1,114,793.76 × 210,722.88 - Step 4: Simplify right side
743,197.44x = 234,912,551,713.23 - Step 5: Solve for x
x = 234,912,551,713.23/743,197.44 - Step 6: Final answer
x = 316,083.64
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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.