Finding the Fourth Proportional to 764,268.84, 1,146,414.24 and 290,980.20
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Solution
The fourth proportional to 764,268.84, 1,146,414.24 and 290,980.20 is: 436,474.48
Step by Step Solution
- Step 1: Write the proportion equation
764,268.84 : 1,146,414.24 = 290,980.20 : x - Step 2: Convert to fraction form
764,268.84/1,146,414.24 = 290,980.20/x - Step 3: Cross multiply
764,268.84x = 1,146,414.24 × 290,980.20 - Step 4: Simplify right side
764,268.84x = 333,583,844,838.05 - Step 5: Solve for x
x = 333,583,844,838.05/764,268.84 - Step 6: Final answer
x = 436,474.48
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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.