Finding the Fourth Proportional to 741,138.56, 1,022,395.55 and 468,747.70
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Solution
The fourth proportional to 741,138.56, 1,022,395.55 and 468,747.70 is: 646,634.23
Step by Step Solution
- Step 1: Write the proportion equation
741,138.56 : 1,022,395.55 = 468,747.70 : x - Step 2: Convert to fraction form
741,138.56/1,022,395.55 = 468,747.70/x - Step 3: Cross multiply
741,138.56x = 1,022,395.55 × 468,747.70 - Step 4: Simplify right side
741,138.56x = 479,245,562,552.74 - Step 5: Solve for x
x = 479,245,562,552.74/741,138.56 - Step 6: Final answer
x = 646,634.23
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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.