Finding the Fourth Proportional to 857,022.42, 1,285,349.11 and 351,087.31
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Solution
The fourth proportional to 857,022.42, 1,285,349.11 and 351,087.31 is: 526,555.37
Step by Step Solution
- Step 1: Write the proportion equation
857,022.42 : 1,285,349.11 = 351,087.31 : x - Step 2: Convert to fraction form
857,022.42/1,285,349.11 = 351,087.31/x - Step 3: Cross multiply
857,022.42x = 1,285,349.11 × 351,087.31 - Step 4: Simplify right side
857,022.42x = 451,269,762,169.76 - Step 5: Solve for x
x = 451,269,762,169.76/857,022.42 - Step 6: Final answer
x = 526,555.37
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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.