Finding the Fourth Proportional to 738,745.36, 1,108,048.92 and 317,942.80
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Solution
The fourth proportional to 738,745.36, 1,108,048.92 and 317,942.80 is: 476,884.45
Step by Step Solution
- Step 1: Write the proportion equation
738,745.36 : 1,108,048.92 = 317,942.80 : x - Step 2: Convert to fraction form
738,745.36/1,108,048.92 = 317,942.80/x - Step 3: Cross multiply
738,745.36x = 1,108,048.92 × 317,942.80 - Step 4: Simplify right side
738,745.36x = 352,296,176,161.78 - Step 5: Solve for x
x = 352,296,176,161.78/738,745.36 - Step 6: Final answer
x = 476,884.45
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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.