Finding the Fourth Proportional to 764,797.60, 1,146,163.02 and 291,224.68
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Solution
The fourth proportional to 764,797.60, 1,146,163.02 and 291,224.68 is: 436,443.52
Step by Step Solution
- Step 1: Write the proportion equation
764,797.60 : 1,146,163.02 = 291,224.68 : x - Step 2: Convert to fraction form
764,797.60/1,146,163.02 = 291,224.68/x - Step 3: Cross multiply
764,797.60x = 1,146,163.02 × 291,224.68 - Step 4: Simplify right side
764,797.60x = 333,790,958,727.33 - Step 5: Solve for x
x = 333,790,958,727.33/764,797.60 - Step 6: Final answer
x = 436,443.52
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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.