Finding the Fourth Proportional to 806,246.24, 1,112,629.92 and 443,711.84
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Solution
The fourth proportional to 806,246.24, 1,112,629.92 and 443,711.84 is: 612,327.90
Step by Step Solution
- Step 1: Write the proportion equation
806,246.24 : 1,112,629.92 = 443,711.84 : x - Step 2: Convert to fraction form
806,246.24/1,112,629.92 = 443,711.84/x - Step 3: Cross multiply
806,246.24x = 1,112,629.92 × 443,711.84 - Step 4: Simplify right side
806,246.24x = 493,687,069,042.25 - Step 5: Solve for x
x = 493,687,069,042.25/806,246.24 - Step 6: Final answer
x = 612,327.90
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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.