Finding the Fourth Proportional to 752,201.60, 1,127,956.80 and 331,260.80
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Solution
The fourth proportional to 752,201.60, 1,127,956.80 and 331,260.80 is: 496,739.00
Step by Step Solution
- Step 1: Write the proportion equation
752,201.60 : 1,127,956.80 = 331,260.80 : x - Step 2: Convert to fraction form
752,201.60/1,127,956.80 = 331,260.80/x - Step 3: Cross multiply
752,201.60x = 1,127,956.80 × 331,260.80 - Step 4: Simplify right side
752,201.60x = 373,647,871,933.44 - Step 5: Solve for x
x = 373,647,871,933.44/752,201.60 - Step 6: Final answer
x = 496,739.00
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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.