Finding the Fourth Proportional to 907,845.57, 1,361,768.36 and 276,753.92
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Solution
The fourth proportional to 907,845.57, 1,361,768.36 and 276,753.92 is: 415,130.87
Step by Step Solution
- Step 1: Write the proportion equation
907,845.57 : 1,361,768.36 = 276,753.92 : x - Step 2: Convert to fraction form
907,845.57/1,361,768.36 = 276,753.92/x - Step 3: Cross multiply
907,845.57x = 1,361,768.36 × 276,753.92 - Step 4: Simplify right side
907,845.57x = 376,874,723,569.36 - Step 5: Solve for x
x = 376,874,723,569.36/907,845.57 - Step 6: Final answer
x = 415,130.87
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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.