Finding the Fourth Proportional to 764,222.99, 1,145,891.69 and 314,435.76
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Solution
The fourth proportional to 764,222.99, 1,145,891.69 and 314,435.76 is: 471,471.46
Step by Step Solution
- Step 1: Write the proportion equation
764,222.99 : 1,145,891.69 = 314,435.76 : x - Step 2: Convert to fraction form
764,222.99/1,145,891.69 = 314,435.76/x - Step 3: Cross multiply
764,222.99x = 1,145,891.69 × 314,435.76 - Step 4: Simplify right side
764,222.99x = 360,309,322,850.66 - Step 5: Solve for x
x = 360,309,322,850.66/764,222.99 - Step 6: Final answer
x = 471,471.46
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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.