Finding the Fourth Proportional to 741,639.10, 1,040,656.70 and 741,639.10
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Solution
The fourth proportional to 741,639.10, 1,040,656.70 and 741,639.10 is: 1,040,656.70
Step by Step Solution
- Step 1: Write the proportion equation
741,639.10 : 1,040,656.70 = 741,639.10 : x - Step 2: Convert to fraction form
741,639.10/1,040,656.70 = 741,639.10/x - Step 3: Cross multiply
741,639.10x = 1,040,656.70 × 741,639.10 - Step 4: Simplify right side
741,639.10x = 771,791,698,396.97 - Step 5: Solve for x
x = 771,791,698,396.97/741,639.10 - Step 6: Final answer
x = 1,040,656.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.