Finding the Fourth Proportional to 1,183,480.20, 1,775,450.70 and 509,560.20
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Solution
The fourth proportional to 1,183,480.20, 1,775,450.70 and 509,560.20 is: 764,439.50
Step by Step Solution
- Step 1: Write the proportion equation
1,183,480.20 : 1,775,450.70 = 509,560.20 : x - Step 2: Convert to fraction form
1,183,480.20/1,775,450.70 = 509,560.20/x - Step 3: Cross multiply
1,183,480.20x = 1,775,450.70 × 509,560.20 - Step 4: Simplify right side
1,183,480.20x = 904,699,013,782.14 - Step 5: Solve for x
x = 904,699,013,782.14/1,183,480.20 - Step 6: Final answer
x = 764,439.50
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1.5x scale
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.