Finding the Fourth Proportional to 987,354.35, 1,481,082.29 and 277,437.75
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Solution
The fourth proportional to 987,354.35, 1,481,082.29 and 277,437.75 is: 416,170.89
Step by Step Solution
- Step 1: Write the proportion equation
987,354.35 : 1,481,082.29 = 277,437.75 : x - Step 2: Convert to fraction form
987,354.35/1,481,082.29 = 277,437.75/x - Step 3: Cross multiply
987,354.35x = 1,481,082.29 × 277,437.75 - Step 4: Simplify right side
987,354.35x = 410,908,138,102.45 - Step 5: Solve for x
x = 410,908,138,102.45/987,354.35 - Step 6: Final answer
x = 416,170.89
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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.