Finding the Fourth Proportional to 767,542.37, 1,149,817.49 and 467,278.20
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Solution
The fourth proportional to 767,542.37, 1,149,817.49 and 467,278.20 is: 700,006.50
Step by Step Solution
- Step 1: Write the proportion equation
767,542.37 : 1,149,817.49 = 467,278.20 : x - Step 2: Convert to fraction form
767,542.37/1,149,817.49 = 467,278.20/x - Step 3: Cross multiply
767,542.37x = 1,149,817.49 × 467,278.20 - Step 4: Simplify right side
767,542.37x = 537,284,647,055.72 - Step 5: Solve for x
x = 537,284,647,055.72/767,542.37 - Step 6: Final answer
x = 700,006.50
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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.