Finding the Fourth Proportional to 769,750.25, 1,062,236.99 and 430,250.09
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Solution
The fourth proportional to 769,750.25, 1,062,236.99 and 430,250.09 is: 593,734.86
Step by Step Solution
- Step 1: Write the proportion equation
769,750.25 : 1,062,236.99 = 430,250.09 : x - Step 2: Convert to fraction form
769,750.25/1,062,236.99 = 430,250.09/x - Step 3: Cross multiply
769,750.25x = 1,062,236.99 × 430,250.09 - Step 4: Simplify right side
769,750.25x = 457,027,556,313.27 - Step 5: Solve for x
x = 457,027,556,313.27/769,750.25 - Step 6: Final answer
x = 593,734.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.