Finding the Fourth Proportional to 743,441.11, 1,115,204.10 and 210,920.29
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Solution
The fourth proportional to 743,441.11, 1,115,204.10 and 210,920.29 is: 316,392.47
Step by Step Solution
- Step 1: Write the proportion equation
743,441.11 : 1,115,204.10 = 210,920.29 : x - Step 2: Convert to fraction form
743,441.11/1,115,204.10 = 210,920.29/x - Step 3: Cross multiply
743,441.11x = 1,115,204.10 × 210,920.29 - Step 4: Simplify right side
743,441.11x = 235,219,172,181.19 - Step 5: Solve for x
x = 235,219,172,181.19/743,441.11 - Step 6: Final answer
x = 316,392.47
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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.