Finding the Fourth Proportional to 987,370.88, 1,481,107.08 and 277,454.28
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Solution
The fourth proportional to 987,370.88, 1,481,107.08 and 277,454.28 is: 416,195.68
Step by Step Solution
- Step 1: Write the proportion equation
987,370.88 : 1,481,107.08 = 277,454.28 : x - Step 2: Convert to fraction form
987,370.88/1,481,107.08 = 277,454.28/x - Step 3: Cross multiply
987,370.88x = 1,481,107.08 × 277,454.28 - Step 4: Simplify right side
987,370.88x = 410,939,498,484.30 - Step 5: Solve for x
x = 410,939,498,484.30/987,370.88 - Step 6: Final answer
x = 416,195.68
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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.