Finding the Fourth Proportional to 768,680.97, 1,153,076.75 and 295,366.19
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Solution
The fourth proportional to 768,680.97, 1,153,076.75 and 295,366.19 is: 443,070.52
Step by Step Solution
- Step 1: Write the proportion equation
768,680.97 : 1,153,076.75 = 295,366.19 : x - Step 2: Convert to fraction form
768,680.97/1,153,076.75 = 295,366.19/x - Step 3: Cross multiply
768,680.97x = 1,153,076.75 × 295,366.19 - Step 4: Simplify right side
768,680.97x = 340,579,879,182.87 - Step 5: Solve for x
x = 340,579,879,182.87/768,680.97 - Step 6: Final answer
x = 443,070.52
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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.