Finding the Fourth Proportional to 747,418.72, 1,120,461.44 and 273,993.58
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Solution
The fourth proportional to 747,418.72, 1,120,461.44 and 273,993.58 is: 410,745.99
Step by Step Solution
- Step 1: Write the proportion equation
747,418.72 : 1,120,461.44 = 273,993.58 : x - Step 2: Convert to fraction form
747,418.72/1,120,461.44 = 273,993.58/x - Step 3: Cross multiply
747,418.72x = 1,120,461.44 × 273,993.58 - Step 4: Simplify right side
747,418.72x = 306,999,241,197.56 - Step 5: Solve for x
x = 306,999,241,197.56/747,418.72 - Step 6: Final answer
x = 410,745.99
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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.