Finding the Fourth Proportional to 738,512.67, 1,107,768.15 and 265,198.53
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Solution
The fourth proportional to 738,512.67, 1,107,768.15 and 265,198.53 is: 397,797.49
Step by Step Solution
- Step 1: Write the proportion equation
738,512.67 : 1,107,768.15 = 265,198.53 : x - Step 2: Convert to fraction form
738,512.67/1,107,768.15 = 265,198.53/x - Step 3: Cross multiply
738,512.67x = 1,107,768.15 × 265,198.53 - Step 4: Simplify right side
738,512.67x = 293,778,484,960.82 - Step 5: Solve for x
x = 293,778,484,960.82/738,512.67 - Step 6: Final answer
x = 397,797.49
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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.