Finding the Fourth Proportional to 764,263.38, 1,144,818.99 and 447,760.02
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Solution
The fourth proportional to 764,263.38, 1,144,818.99 and 447,760.02 is: 670,716.65
Step by Step Solution
- Step 1: Write the proportion equation
764,263.38 : 1,144,818.99 = 447,760.02 : x - Step 2: Convert to fraction form
764,263.38/1,144,818.99 = 447,760.02/x - Step 3: Cross multiply
764,263.38x = 1,144,818.99 × 447,760.02 - Step 4: Simplify right side
764,263.38x = 512,604,173,858.78 - Step 5: Solve for x
x = 512,604,173,858.78/764,263.38 - Step 6: Final answer
x = 670,716.65
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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.