Finding the Fourth Proportional to 809,115.80, 1,130,662.60 and 809,115.80
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Solution
The fourth proportional to 809,115.80, 1,130,662.60 and 809,115.80 is: 1,130,662.60
Step by Step Solution
- Step 1: Write the proportion equation
809,115.80 : 1,130,662.60 = 809,115.80 : x - Step 2: Convert to fraction form
809,115.80/1,130,662.60 = 809,115.80/x - Step 3: Cross multiply
809,115.80x = 1,130,662.60 × 809,115.80 - Step 4: Simplify right side
809,115.80x = 914,836,974,129.08 - Step 5: Solve for x
x = 914,836,974,129.08/809,115.80 - Step 6: Final answer
x = 1,130,662.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.