Finding the Fourth Proportional to 734,807.80, 1,101,185.16 and 397,120.44
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Solution
The fourth proportional to 734,807.80, 1,101,185.16 and 397,120.44 is: 595,125.88
Step by Step Solution
- Step 1: Write the proportion equation
734,807.80 : 1,101,185.16 = 397,120.44 : x - Step 2: Convert to fraction form
734,807.80/1,101,185.16 = 397,120.44/x - Step 3: Cross multiply
734,807.80x = 1,101,185.16 × 397,120.44 - Step 4: Simplify right side
734,807.80x = 437,303,135,260.67 - Step 5: Solve for x
x = 437,303,135,260.67/734,807.80 - Step 6: Final answer
x = 595,125.88
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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.