Finding the Fourth Proportional to 741,415.14, 1,022,543.73 and 454,733.46
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Solution
The fourth proportional to 741,415.14, 1,022,543.73 and 454,733.46 is: 627,158.56
Step by Step Solution
- Step 1: Write the proportion equation
741,415.14 : 1,022,543.73 = 454,733.46 : x - Step 2: Convert to fraction form
741,415.14/1,022,543.73 = 454,733.46/x - Step 3: Cross multiply
741,415.14x = 1,022,543.73 × 454,733.46 - Step 4: Simplify right side
741,415.14x = 464,984,848,344.21 - Step 5: Solve for x
x = 464,984,848,344.21/741,415.14 - Step 6: Final answer
x = 627,158.56
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1.5x scale
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.