Finding the Fourth Proportional to 965,888.20, 1,449,026.70 and 809,201.80
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Solution
The fourth proportional to 965,888.20, 1,449,026.70 and 809,201.80 is: 1,213,965.56
Step by Step Solution
- Step 1: Write the proportion equation
965,888.20 : 1,449,026.70 = 809,201.80 : x - Step 2: Convert to fraction form
965,888.20/1,449,026.70 = 809,201.80/x - Step 3: Cross multiply
965,888.20x = 1,449,026.70 × 809,201.80 - Step 4: Simplify right side
965,888.20x = 1,172,555,013,888.06 - Step 5: Solve for x
x = 1,172,555,013,888.06/965,888.20 - Step 6: Final answer
x = 1,213,965.56
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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.