Finding the Fourth Proportional to 734,544.32, 1,013,770.07 and 412,272.05
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Solution
The fourth proportional to 734,544.32, 1,013,770.07 and 412,272.05 is: 568,990.94
Step by Step Solution
- Step 1: Write the proportion equation
734,544.32 : 1,013,770.07 = 412,272.05 : x - Step 2: Convert to fraction form
734,544.32/1,013,770.07 = 412,272.05/x - Step 3: Cross multiply
734,544.32x = 1,013,770.07 × 412,272.05 - Step 4: Simplify right side
734,544.32x = 417,949,057,857.33 - Step 5: Solve for x
x = 417,949,057,857.33/734,544.32 - Step 6: Final answer
x = 568,990.94
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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.