Finding the Fourth Proportional to 511,878.24, 767,817.36 and 262,401.12
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Solution
The fourth proportional to 511,878.24, 767,817.36 and 262,401.12 is: 393,601.68
Step by Step Solution
- Step 1: Write the proportion equation
511,878.24 : 767,817.36 = 262,401.12 : x - Step 2: Convert to fraction form
511,878.24/767,817.36 = 262,401.12/x - Step 3: Cross multiply
511,878.24x = 767,817.36 × 262,401.12 - Step 4: Simplify right side
511,878.24x = 201,476,135,219.44 - Step 5: Solve for x
x = 201,476,135,219.44/511,878.24 - Step 6: Final answer
x = 393,601.68
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Similar ratio
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1.5x scale
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.