Finding the Fourth Proportional to 767,921.35, 1,059,942.26 and 445,735.24
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Solution
The fourth proportional to 767,921.35, 1,059,942.26 and 445,735.24 is: 615,236.99
Step by Step Solution
- Step 1: Write the proportion equation
767,921.35 : 1,059,942.26 = 445,735.24 : x - Step 2: Convert to fraction form
767,921.35/1,059,942.26 = 445,735.24/x - Step 3: Cross multiply
767,921.35x = 1,059,942.26 × 445,735.24 - Step 4: Simplify right side
767,921.35x = 472,453,617,647.24 - Step 5: Solve for x
x = 472,453,617,647.24/767,921.35 - Step 6: Final answer
x = 615,236.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.