Finding the Fourth Proportional to 1,149,279.63, 1,722,736.60 and 509,884.49
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Solution
The fourth proportional to 1,149,279.63, 1,722,736.60 and 509,884.49 is: 764,301.95
Step by Step Solution
- Step 1: Write the proportion equation
1,149,279.63 : 1,722,736.60 = 509,884.49 : x - Step 2: Convert to fraction form
1,149,279.63/1,722,736.60 = 509,884.49/x - Step 3: Cross multiply
1,149,279.63x = 1,722,736.60 × 509,884.49 - Step 4: Simplify right side
1,149,279.63x = 878,396,667,113.78 - Step 5: Solve for x
x = 878,396,667,113.78/1,149,279.63 - Step 6: Final answer
x = 764,301.95
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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.