Finding the Fourth Proportional to 741,936.64, 1,023,895.74 and 419,640.44
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Solution
The fourth proportional to 741,936.64, 1,023,895.74 and 419,640.44 is: 579,116.92
Step by Step Solution
- Step 1: Write the proportion equation
741,936.64 : 1,023,895.74 = 419,640.44 : x - Step 2: Convert to fraction form
741,936.64/1,023,895.74 = 419,640.44/x - Step 3: Cross multiply
741,936.64x = 1,023,895.74 × 419,640.44 - Step 4: Simplify right side
741,936.64x = 429,668,058,847.73 - Step 5: Solve for x
x = 429,668,058,847.73/741,936.64 - Step 6: Final answer
x = 579,116.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.