Finding the Fourth Proportional to 734,622.07, 1,102,171.26 and 360,382.63
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Solution
The fourth proportional to 734,622.07, 1,102,171.26 and 360,382.63 is: 540,690.78
Step by Step Solution
- Step 1: Write the proportion equation
734,622.07 : 1,102,171.26 = 360,382.63 : x - Step 2: Convert to fraction form
734,622.07/1,102,171.26 = 360,382.63/x - Step 3: Cross multiply
734,622.07x = 1,102,171.26 × 360,382.63 - Step 4: Simplify right side
734,622.07x = 397,203,377,389.21 - Step 5: Solve for x
x = 397,203,377,389.21/734,622.07 - Step 6: Final answer
x = 540,690.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.