Finding the Fourth Proportional to 821,618.40, 1,232,427.60 and 804,122.40
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Solution
The fourth proportional to 821,618.40, 1,232,427.60 and 804,122.40 is: 1,206,183.60
Step by Step Solution
- Step 1: Write the proportion equation
821,618.40 : 1,232,427.60 = 804,122.40 : x - Step 2: Convert to fraction form
821,618.40/1,232,427.60 = 804,122.40/x - Step 3: Cross multiply
821,618.40x = 1,232,427.60 × 804,122.40 - Step 4: Simplify right side
821,618.40x = 991,022,639,538.24 - Step 5: Solve for x
x = 991,022,639,538.24/821,618.40 - Step 6: Final answer
x = 1,206,183.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.