Finding the Fourth Proportional to 770,786.08, 1,155,891.57 and 265,204.06
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Solution
The fourth proportional to 770,786.08, 1,155,891.57 and 265,204.06 is: 397,707.15
Step by Step Solution
- Step 1: Write the proportion equation
770,786.08 : 1,155,891.57 = 265,204.06 : x - Step 2: Convert to fraction form
770,786.08/1,155,891.57 = 265,204.06/x - Step 3: Cross multiply
770,786.08x = 1,155,891.57 × 265,204.06 - Step 4: Simplify right side
770,786.08x = 306,547,137,283.77 - Step 5: Solve for x
x = 306,547,137,283.77/770,786.08 - Step 6: Final answer
x = 397,707.15
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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.