Finding the Fourth Proportional to 827,706.11, 1,142,257.19 and 465,163.02
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Solution
The fourth proportional to 827,706.11, 1,142,257.19 and 465,163.02 is: 641,937.76
Step by Step Solution
- Step 1: Write the proportion equation
827,706.11 : 1,142,257.19 = 465,163.02 : x - Step 2: Convert to fraction form
827,706.11/1,142,257.19 = 465,163.02/x - Step 3: Cross multiply
827,706.11x = 1,142,257.19 × 465,163.02 - Step 4: Simplify right side
827,706.11x = 531,335,801,791.30 - Step 5: Solve for x
x = 531,335,801,791.30/827,706.11 - Step 6: Final answer
x = 641,937.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.