Finding the Fourth Proportional to 727,122.13, 1,091,181.44 and 253,807.45
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Solution
The fourth proportional to 727,122.13, 1,091,181.44 and 253,807.45 is: 380,885.09
Step by Step Solution
- Step 1: Write the proportion equation
727,122.13 : 1,091,181.44 = 253,807.45 : x - Step 2: Convert to fraction form
727,122.13/1,091,181.44 = 253,807.45/x - Step 3: Cross multiply
727,122.13x = 1,091,181.44 × 253,807.45 - Step 4: Simplify right side
727,122.13x = 276,949,978,773.73 - Step 5: Solve for x
x = 276,949,978,773.73/727,122.13 - Step 6: Final answer
x = 380,885.09
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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.