Finding the Fourth Proportional to 777,874.57, 1,166,542.00 and 272,424.40
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Solution
The fourth proportional to 777,874.57, 1,166,542.00 and 272,424.40 is: 408,542.09
Step by Step Solution
- Step 1: Write the proportion equation
777,874.57 : 1,166,542.00 = 272,424.40 : x - Step 2: Convert to fraction form
777,874.57/1,166,542.00 = 272,424.40/x - Step 3: Cross multiply
777,874.57x = 1,166,542.00 × 272,424.40 - Step 4: Simplify right side
777,874.57x = 317,794,500,827.38 - Step 5: Solve for x
x = 317,794,500,827.38/777,874.57 - Step 6: Final answer
x = 408,542.09
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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.