Finding the Fourth Proportional to 512,506.62, 768,762.69 and 336,130.56
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Solution
The fourth proportional to 512,506.62, 768,762.69 and 336,130.56 is: 504,197.65
Step by Step Solution
- Step 1: Write the proportion equation
512,506.62 : 768,762.69 = 336,130.56 : x - Step 2: Convert to fraction form
512,506.62/768,762.69 = 336,130.56/x - Step 3: Cross multiply
512,506.62x = 768,762.69 × 336,130.56 - Step 4: Simplify right side
512,506.62x = 258,404,633,496.81 - Step 5: Solve for x
x = 258,404,633,496.81/512,506.62 - Step 6: Final answer
x = 504,197.65
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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.