Finding the Fourth Proportional to 842,826.40, 1,263,976.08 and 281,729.68
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Solution
The fourth proportional to 842,826.40, 1,263,976.08 and 281,729.68 is: 422,506.43
Step by Step Solution
- Step 1: Write the proportion equation
842,826.40 : 1,263,976.08 = 281,729.68 : x - Step 2: Convert to fraction form
842,826.40/1,263,976.08 = 281,729.68/x - Step 3: Cross multiply
842,826.40x = 1,263,976.08 × 281,729.68 - Step 4: Simplify right side
842,826.40x = 356,099,576,546.05 - Step 5: Solve for x
x = 356,099,576,546.05/842,826.40 - Step 6: Final answer
x = 422,506.43
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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.