Finding the Fourth Proportional to 576,738.44, 790,118.49 and 555,175.20
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Solution
The fourth proportional to 576,738.44, 790,118.49 and 555,175.20 is: 760,577.35
Step by Step Solution
- Step 1: Write the proportion equation
576,738.44 : 790,118.49 = 555,175.20 : x - Step 2: Convert to fraction form
576,738.44/790,118.49 = 555,175.20/x - Step 3: Cross multiply
576,738.44x = 790,118.49 × 555,175.20 - Step 4: Simplify right side
576,738.44x = 438,654,188,627.54 - Step 5: Solve for x
x = 438,654,188,627.54/576,738.44 - Step 6: Final answer
x = 760,577.35
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.