Finding the Fourth Proportional to 821,768.47, 1,232,652.72 and 222,729.63
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Solution
The fourth proportional to 821,768.47, 1,232,652.72 and 222,729.63 is: 334,094.45
Step by Step Solution
- Step 1: Write the proportion equation
821,768.47 : 1,232,652.72 = 222,729.63 : x - Step 2: Convert to fraction form
821,768.47/1,232,652.72 = 222,729.63/x - Step 3: Cross multiply
821,768.47x = 1,232,652.72 × 222,729.63 - Step 4: Simplify right side
821,768.47x = 274,548,284,244.09 - Step 5: Solve for x
x = 274,548,284,244.09/821,768.47 - Step 6: Final answer
x = 334,094.45
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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.