Finding the Fourth Proportional to 881,202.70, 1,321,804.05 and 821,716.30
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Solution
The fourth proportional to 881,202.70, 1,321,804.05 and 821,716.30 is: 1,232,574.45
Step by Step Solution
- Step 1: Write the proportion equation
881,202.70 : 1,321,804.05 = 821,716.30 : x - Step 2: Convert to fraction form
881,202.70/1,321,804.05 = 821,716.30/x - Step 3: Cross multiply
881,202.70x = 1,321,804.05 × 821,716.30 - Step 4: Simplify right side
881,202.70x = 1,086,147,933,291.02 - Step 5: Solve for x
x = 1,086,147,933,291.02/881,202.70 - Step 6: Final answer
x = 1,232,574.45
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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.