Finding the Fourth Proportional to 987,701.06, 1,481,552.10 and 277,729.09
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Solution
The fourth proportional to 987,701.06, 1,481,552.10 and 277,729.09 is: 416,593.77
Step by Step Solution
- Step 1: Write the proportion equation
987,701.06 : 1,481,552.10 = 277,729.09 : x - Step 2: Convert to fraction form
987,701.06/1,481,552.10 = 277,729.09/x - Step 3: Cross multiply
987,701.06x = 1,481,552.10 × 277,729.09 - Step 4: Simplify right side
987,701.06x = 411,470,112,816.71 - Step 5: Solve for x
x = 411,470,112,816.71/987,701.06 - Step 6: Final answer
x = 416,593.77
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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.