Finding the Fourth Proportional to 768,007.08, 1,059,850.44 and 428,475.42
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Solution
The fourth proportional to 768,007.08, 1,059,850.44 and 428,475.42 is: 591,296.45
Step by Step Solution
- Step 1: Write the proportion equation
768,007.08 : 1,059,850.44 = 428,475.42 : x - Step 2: Convert to fraction form
768,007.08/1,059,850.44 = 428,475.42/x - Step 3: Cross multiply
768,007.08x = 1,059,850.44 × 428,475.42 - Step 4: Simplify right side
768,007.08x = 454,119,862,416.19 - Step 5: Solve for x
x = 454,119,862,416.19/768,007.08 - Step 6: Final answer
x = 591,296.45
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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.