Finding the Fourth Proportional to 734,899.36, 1,014,161.11 and 412,616.38
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Solution
The fourth proportional to 734,899.36, 1,014,161.11 and 412,616.38 is: 569,410.60
Step by Step Solution
- Step 1: Write the proportion equation
734,899.36 : 1,014,161.11 = 412,616.38 : x - Step 2: Convert to fraction form
734,899.36/1,014,161.11 = 412,616.38/x - Step 3: Cross multiply
734,899.36x = 1,014,161.11 × 412,616.38 - Step 4: Simplify right side
734,899.36x = 418,459,485,944.98 - Step 5: Solve for x
x = 418,459,485,944.98/734,899.36 - Step 6: Final answer
x = 569,410.60
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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.