Finding the Fourth Proportional to 787,224.87, 1,086,405.27 and 443,083.09
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Solution
The fourth proportional to 787,224.87, 1,086,405.27 and 443,083.09 is: 611,474.33
Step by Step Solution
- Step 1: Write the proportion equation
787,224.87 : 1,086,405.27 = 443,083.09 : x - Step 2: Convert to fraction form
787,224.87/1,086,405.27 = 443,083.09/x - Step 3: Cross multiply
787,224.87x = 1,086,405.27 × 443,083.09 - Step 4: Simplify right side
787,224.87x = 481,367,799,873.98 - Step 5: Solve for x
x = 481,367,799,873.98/787,224.87 - Step 6: Final answer
x = 611,474.33
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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.