Finding the Fourth Proportional to 556,394.24, 767,819.84 and 301,745.92
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Solution
The fourth proportional to 556,394.24, 767,819.84 and 301,745.92 is: 416,407.09
Step by Step Solution
- Step 1: Write the proportion equation
556,394.24 : 767,819.84 = 301,745.92 : x - Step 2: Convert to fraction form
556,394.24/767,819.84 = 301,745.92/x - Step 3: Cross multiply
556,394.24x = 767,819.84 × 301,745.92 - Step 4: Simplify right side
556,394.24x = 231,686,504,015.05 - Step 5: Solve for x
x = 231,686,504,015.05/556,394.24 - Step 6: Final answer
x = 416,407.09
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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.