Finding the Fourth Proportional to 554,818.44, 765,722.20 and 411,986.28
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Solution
The fourth proportional to 554,818.44, 765,722.20 and 411,986.28 is: 568,595.09
Step by Step Solution
- Step 1: Write the proportion equation
554,818.44 : 765,722.20 = 411,986.28 : x - Step 2: Convert to fraction form
554,818.44/765,722.20 = 411,986.28/x - Step 3: Cross multiply
554,818.44x = 765,722.20 × 411,986.28 - Step 4: Simplify right side
554,818.44x = 315,467,040,691.42 - Step 5: Solve for x
x = 315,467,040,691.42/554,818.44 - Step 6: Final answer
x = 568,595.09
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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.