Finding the Fourth Proportional to 741,640.87, 1,112,493.66 and 362,880.53
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Solution
The fourth proportional to 741,640.87, 1,112,493.66 and 362,880.53 is: 544,336.63
Step by Step Solution
- Step 1: Write the proportion equation
741,640.87 : 1,112,493.66 = 362,880.53 : x - Step 2: Convert to fraction form
741,640.87/1,112,493.66 = 362,880.53/x - Step 3: Cross multiply
741,640.87x = 1,112,493.66 × 362,880.53 - Step 4: Simplify right side
741,640.87x = 403,702,288,962.44 - Step 5: Solve for x
x = 403,702,288,962.44/741,640.87 - Step 6: Final answer
x = 544,336.63
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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.