Finding the Fourth Proportional to 879,028.44, 1,318,593.70 and 339,287.78
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Solution
The fourth proportional to 879,028.44, 1,318,593.70 and 339,287.78 is: 508,951.37
Step by Step Solution
- Step 1: Write the proportion equation
879,028.44 : 1,318,593.70 = 339,287.78 : x - Step 2: Convert to fraction form
879,028.44/1,318,593.70 = 339,287.78/x - Step 3: Cross multiply
879,028.44x = 1,318,593.70 × 339,287.78 - Step 4: Simplify right side
879,028.44x = 447,382,729,194.99 - Step 5: Solve for x
x = 447,382,729,194.99/879,028.44 - Step 6: Final answer
x = 508,951.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.