Finding the Fourth Proportional to 747,228.56, 1,120,759.68 and 267,436.96
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Solution
The fourth proportional to 747,228.56, 1,120,759.68 and 267,436.96 is: 401,125.68
Step by Step Solution
- Step 1: Write the proportion equation
747,228.56 : 1,120,759.68 = 267,436.96 : x - Step 2: Convert to fraction form
747,228.56/1,120,759.68 = 267,436.96/x - Step 3: Cross multiply
747,228.56x = 1,120,759.68 × 267,436.96 - Step 4: Simplify right side
747,228.56x = 299,732,561,709.77 - Step 5: Solve for x
x = 299,732,561,709.77/747,228.56 - Step 6: Final answer
x = 401,125.68
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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.