Finding the Fourth Proportional to 749,861.28, 1,124,791.10 and 244,422.09
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Solution
The fourth proportional to 749,861.28, 1,124,791.10 and 244,422.09 is: 366,632.87
Step by Step Solution
- Step 1: Write the proportion equation
749,861.28 : 1,124,791.10 = 244,422.09 : x - Step 2: Convert to fraction form
749,861.28/1,124,791.10 = 244,422.09/x - Step 3: Cross multiply
749,861.28x = 1,124,791.10 × 244,422.09 - Step 4: Simplify right side
749,861.28x = 274,923,791,475.40 - Step 5: Solve for x
x = 274,923,791,475.40/749,861.28 - Step 6: Final answer
x = 366,632.87
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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.