Finding the Fourth Proportional to 741,410.78, 1,112,202.58 and 268,318.94
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Solution
The fourth proportional to 741,410.78, 1,112,202.58 and 268,318.94 is: 402,509.68
Step by Step Solution
- Step 1: Write the proportion equation
741,410.78 : 1,112,202.58 = 268,318.94 : x - Step 2: Convert to fraction form
741,410.78/1,112,202.58 = 268,318.94/x - Step 3: Cross multiply
741,410.78x = 1,112,202.58 × 268,318.94 - Step 4: Simplify right side
741,410.78x = 298,425,019,440.57 - Step 5: Solve for x
x = 298,425,019,440.57/741,410.78 - Step 6: Final answer
x = 402,509.68
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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.