Finding the Fourth Proportional to 741,135.84, 1,022,768.28 and 401,604.36
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Solution
The fourth proportional to 741,135.84, 1,022,768.28 and 401,604.36 is: 554,214.46
Step by Step Solution
- Step 1: Write the proportion equation
741,135.84 : 1,022,768.28 = 401,604.36 : x - Step 2: Convert to fraction form
741,135.84/1,022,768.28 = 401,604.36/x - Step 3: Cross multiply
741,135.84x = 1,022,768.28 × 401,604.36 - Step 4: Simplify right side
741,135.84x = 410,748,200,517.70 - Step 5: Solve for x
x = 410,748,200,517.70/741,135.84 - Step 6: Final answer
x = 554,214.46
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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.