Finding the Fourth Proportional to 431,596.27, 646,634.42 and 384,628.62
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Solution
The fourth proportional to 431,596.27, 646,634.42 and 384,628.62 is: 576,265.65
Step by Step Solution
- Step 1: Write the proportion equation
431,596.27 : 646,634.42 = 384,628.62 : x - Step 2: Convert to fraction form
431,596.27/646,634.42 = 384,628.62/x - Step 3: Cross multiply
431,596.27x = 646,634.42 × 384,628.62 - Step 4: Simplify right side
431,596.27x = 248,714,102,685.96 - Step 5: Solve for x
x = 248,714,102,685.96/431,596.27 - Step 6: Final answer
x = 576,265.65
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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.