Finding the Fourth Proportional to 775,956.20, 1,163,983.49 and 243,498.24
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Solution
The fourth proportional to 775,956.20, 1,163,983.49 and 243,498.24 is: 365,262.80
Step by Step Solution
- Step 1: Write the proportion equation
775,956.20 : 1,163,983.49 = 243,498.24 : x - Step 2: Convert to fraction form
775,956.20/1,163,983.49 = 243,498.24/x - Step 3: Cross multiply
775,956.20x = 1,163,983.49 × 243,498.24 - Step 4: Simplify right side
775,956.20x = 283,427,931,812.80 - Step 5: Solve for x
x = 283,427,931,812.80/775,956.20 - Step 6: Final answer
x = 365,262.80
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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.