Finding the Fourth Proportional to 738,249.58, 1,107,466.71 and 288,912.41
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Solution
The fourth proportional to 738,249.58, 1,107,466.71 and 288,912.41 is: 433,404.75
Step by Step Solution
- Step 1: Write the proportion equation
738,249.58 : 1,107,466.71 = 288,912.41 : x - Step 2: Convert to fraction form
738,249.58/1,107,466.71 = 288,912.41/x - Step 3: Cross multiply
738,249.58x = 1,107,466.71 × 288,912.41 - Step 4: Simplify right side
738,249.58x = 319,960,876,180.87 - Step 5: Solve for x
x = 319,960,876,180.87/738,249.58 - Step 6: Final answer
x = 433,404.75
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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.