Finding the Fourth Proportional to 809,103.15, 1,213,338.99 and 303,388.26
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Solution
The fourth proportional to 809,103.15, 1,213,338.99 and 303,388.26 is: 454,964.00
Step by Step Solution
- Step 1: Write the proportion equation
809,103.15 : 1,213,338.99 = 303,388.26 : x - Step 2: Convert to fraction form
809,103.15/1,213,338.99 = 303,388.26/x - Step 3: Cross multiply
809,103.15x = 1,213,338.99 × 303,388.26 - Step 4: Simplify right side
809,103.15x = 368,112,804,966.26 - Step 5: Solve for x
x = 368,112,804,966.26/809,103.15 - Step 6: Final answer
x = 454,964.00
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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.