Finding the Fourth Proportional to 768,119.51, 1,059,924.52 and 423,949.09
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Solution
The fourth proportional to 768,119.51, 1,059,924.52 and 423,949.09 is: 585,005.37
Step by Step Solution
- Step 1: Write the proportion equation
768,119.51 : 1,059,924.52 = 423,949.09 : x - Step 2: Convert to fraction form
768,119.51/1,059,924.52 = 423,949.09/x - Step 3: Cross multiply
768,119.51x = 1,059,924.52 × 423,949.09 - Step 4: Simplify right side
768,119.51x = 449,354,035,722.69 - Step 5: Solve for x
x = 449,354,035,722.69/768,119.51 - Step 6: Final answer
x = 585,005.37
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1.5x scale
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.