Finding the Fourth Proportional to 777,930.14, 1,164,694.67 and 412,358.77
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Solution
The fourth proportional to 777,930.14, 1,164,694.67 and 412,358.77 is: 617,371.70
Step by Step Solution
- Step 1: Write the proportion equation
777,930.14 : 1,164,694.67 = 412,358.77 : x - Step 2: Convert to fraction form
777,930.14/1,164,694.67 = 412,358.77/x - Step 3: Cross multiply
777,930.14x = 1,164,694.67 × 412,358.77 - Step 4: Simplify right side
777,930.14x = 480,272,053,661.49 - Step 5: Solve for x
x = 480,272,053,661.49/777,930.14 - Step 6: Final answer
x = 617,371.70
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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.