Finding the Fourth Proportional to 499,850.41, 689,776.41 and 285,059.62
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Solution
The fourth proportional to 499,850.41, 689,776.41 and 285,059.62 is: 393,372.49
Step by Step Solution
- Step 1: Write the proportion equation
499,850.41 : 689,776.41 = 285,059.62 : x - Step 2: Convert to fraction form
499,850.41/689,776.41 = 285,059.62/x - Step 3: Cross multiply
499,850.41x = 689,776.41 × 285,059.62 - Step 4: Simplify right side
499,850.41x = 196,627,401,319.56 - Step 5: Solve for x
x = 196,627,401,319.56/499,850.41 - Step 6: Final answer
x = 393,372.49
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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.