Finding the Fourth Proportional to 768,119.57, 1,059,709.37 and 481,140.05
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Solution
The fourth proportional to 768,119.57, 1,059,709.37 and 481,140.05 is: 663,788.08
Step by Step Solution
- Step 1: Write the proportion equation
768,119.57 : 1,059,709.37 = 481,140.05 : x - Step 2: Convert to fraction form
768,119.57/1,059,709.37 = 481,140.05/x - Step 3: Cross multiply
768,119.57x = 1,059,709.37 × 481,140.05 - Step 4: Simplify right side
768,119.57x = 509,868,616,861.57 - Step 5: Solve for x
x = 509,868,616,861.57/768,119.57 - Step 6: Final answer
x = 663,788.08
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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.