Finding the Fourth Proportional to 743,519.22, 1,115,276.67 and 211,040.75
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Solution
The fourth proportional to 743,519.22, 1,115,276.67 and 211,040.75 is: 316,560.50
Step by Step Solution
- Step 1: Write the proportion equation
743,519.22 : 1,115,276.67 = 211,040.75 : x - Step 2: Convert to fraction form
743,519.22/1,115,276.67 = 211,040.75/x - Step 3: Cross multiply
743,519.22x = 1,115,276.67 × 211,040.75 - Step 4: Simplify right side
743,519.22x = 235,368,819,317.92 - Step 5: Solve for x
x = 235,368,819,317.92/743,519.22 - Step 6: Final answer
x = 316,560.50
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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.