Finding the Fourth Proportional to 734,163.21, 1,101,200.55 and 436,537.80
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Solution
The fourth proportional to 734,163.21, 1,101,200.55 and 436,537.80 is: 654,780.38
Step by Step Solution
- Step 1: Write the proportion equation
734,163.21 : 1,101,200.55 = 436,537.80 : x - Step 2: Convert to fraction form
734,163.21/1,101,200.55 = 436,537.80/x - Step 3: Cross multiply
734,163.21x = 1,101,200.55 × 436,537.80 - Step 4: Simplify right side
734,163.21x = 480,715,665,455.79 - Step 5: Solve for x
x = 480,715,665,455.79/734,163.21 - Step 6: Final answer
x = 654,780.38
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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.