Finding the Fourth Proportional to 727,880.36, 1,004,549.64 and 437,585.90
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Solution
The fourth proportional to 727,880.36, 1,004,549.64 and 437,585.90 is: 603,913.48
Step by Step Solution
- Step 1: Write the proportion equation
727,880.36 : 1,004,549.64 = 437,585.90 : x - Step 2: Convert to fraction form
727,880.36/1,004,549.64 = 437,585.90/x - Step 3: Cross multiply
727,880.36x = 1,004,549.64 × 437,585.90 - Step 4: Simplify right side
727,880.36x = 439,576,758,314.08 - Step 5: Solve for x
x = 439,576,758,314.08/727,880.36 - Step 6: Final answer
x = 603,913.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.