Finding the Fourth Proportional to 804,977.35, 1,207,466.03 and 431,729.35
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Solution
The fourth proportional to 804,977.35, 1,207,466.03 and 431,729.35 is: 647,594.03
Step by Step Solution
- Step 1: Write the proportion equation
804,977.35 : 1,207,466.03 = 431,729.35 : x - Step 2: Convert to fraction form
804,977.35/1,207,466.03 = 431,729.35/x - Step 3: Cross multiply
804,977.35x = 1,207,466.03 × 431,729.35 - Step 4: Simplify right side
804,977.35x = 521,298,524,278.98 - Step 5: Solve for x
x = 521,298,524,278.98/804,977.35 - Step 6: Final answer
x = 647,594.03
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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.