Finding the Fourth Proportional to 475,940.45, 713,680.97 and 276,311.09
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Solution
The fourth proportional to 475,940.45, 713,680.97 and 276,311.09 is: 414,333.28
Step by Step Solution
- Step 1: Write the proportion equation
475,940.45 : 713,680.97 = 276,311.09 : x - Step 2: Convert to fraction form
475,940.45/713,680.97 = 276,311.09/x - Step 3: Cross multiply
475,940.45x = 713,680.97 × 276,311.09 - Step 4: Simplify right side
475,940.45x = 197,197,966,732.96 - Step 5: Solve for x
x = 197,197,966,732.96/475,940.45 - Step 6: Final answer
x = 414,333.28
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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.