Finding the Fourth Proportional to 743,784.87, 1,115,698.37 and 182,817.75
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Solution
The fourth proportional to 743,784.87, 1,115,698.37 and 182,817.75 is: 274,231.80
Step by Step Solution
- Step 1: Write the proportion equation
743,784.87 : 1,115,698.37 = 182,817.75 : x - Step 2: Convert to fraction form
743,784.87/1,115,698.37 = 182,817.75/x - Step 3: Cross multiply
743,784.87x = 1,115,698.37 × 182,817.75 - Step 4: Simplify right side
743,784.87x = 203,969,464,767.98 - Step 5: Solve for x
x = 203,969,464,767.98/743,784.87 - Step 6: Final answer
x = 274,231.80
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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.