Finding the Fourth Proportional to 702,541.75, 1,053,812.63 and 259,309.75
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Solution
The fourth proportional to 702,541.75, 1,053,812.63 and 259,309.75 is: 388,964.63
Step by Step Solution
- Step 1: Write the proportion equation
702,541.75 : 1,053,812.63 = 259,309.75 : x - Step 2: Convert to fraction form
702,541.75/1,053,812.63 = 259,309.75/x - Step 3: Cross multiply
702,541.75x = 1,053,812.63 × 259,309.75 - Step 4: Simplify right side
702,541.75x = 273,263,889,632.14 - Step 5: Solve for x
x = 273,263,889,632.14/702,541.75 - Step 6: Final answer
x = 388,964.63
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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.