Finding the Fourth Proportional to 775,471.68, 1,163,207.88 and 243,034.14
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Solution
The fourth proportional to 775,471.68, 1,163,207.88 and 243,034.14 is: 364,551.32
Step by Step Solution
- Step 1: Write the proportion equation
775,471.68 : 1,163,207.88 = 243,034.14 : x - Step 2: Convert to fraction form
775,471.68/1,163,207.88 = 243,034.14/x - Step 3: Cross multiply
775,471.68x = 1,163,207.88 × 243,034.14 - Step 4: Simplify right side
775,471.68x = 282,699,226,757.02 - Step 5: Solve for x
x = 282,699,226,757.02/775,471.68 - Step 6: Final answer
x = 364,551.32
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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.