Finding the Fourth Proportional to 963,163.80, 1,444,745.70 and 490,771.80
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Solution
The fourth proportional to 963,163.80, 1,444,745.70 and 490,771.80 is: 736,157.70
Step by Step Solution
- Step 1: Write the proportion equation
963,163.80 : 1,444,745.70 = 490,771.80 : x - Step 2: Convert to fraction form
963,163.80/1,444,745.70 = 490,771.80/x - Step 3: Cross multiply
963,163.80x = 1,444,745.70 × 490,771.80 - Step 4: Simplify right side
963,163.80x = 709,040,447,731.26 - Step 5: Solve for x
x = 709,040,447,731.26/963,163.80 - Step 6: Final answer
x = 736,157.70
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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.