Finding the Fourth Proportional to 862,855.83, 1,294,283.75 and 263,816.99
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Solution
The fourth proportional to 862,855.83, 1,294,283.75 and 263,816.99 is: 395,725.48
Step by Step Solution
- Step 1: Write the proportion equation
862,855.83 : 1,294,283.75 = 263,816.99 : x - Step 2: Convert to fraction form
862,855.83/1,294,283.75 = 263,816.99/x - Step 3: Cross multiply
862,855.83x = 1,294,283.75 × 263,816.99 - Step 4: Simplify right side
862,855.83x = 341,454,040,193.97 - Step 5: Solve for x
x = 341,454,040,193.97/862,855.83 - Step 6: Final answer
x = 395,725.48
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1.5x scale
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.