Finding the Fourth Proportional to 775,958.77, 1,163,987.35 and 243,500.81
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Solution
The fourth proportional to 775,958.77, 1,163,987.35 and 243,500.81 is: 365,266.65
Step by Step Solution
- Step 1: Write the proportion equation
775,958.77 : 1,163,987.35 = 243,500.81 : x - Step 2: Convert to fraction form
775,958.77/1,163,987.35 = 243,500.81/x - Step 3: Cross multiply
775,958.77x = 1,163,987.35 × 243,500.81 - Step 4: Simplify right side
775,958.77x = 283,431,861,337.25 - Step 5: Solve for x
x = 283,431,861,337.25/775,958.77 - Step 6: Final answer
x = 365,266.65
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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.