Finding the Fourth Proportional to 863,013.99, 1,294,313.32 and 263,980.41
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Solution
The fourth proportional to 863,013.99, 1,294,313.32 and 263,980.41 is: 395,907.09
Step by Step Solution
- Step 1: Write the proportion equation
863,013.99 : 1,294,313.32 = 263,980.41 : x - Step 2: Convert to fraction form
863,013.99/1,294,313.32 = 263,980.41/x - Step 3: Cross multiply
863,013.99x = 1,294,313.32 × 263,980.41 - Step 4: Simplify right side
863,013.99x = 341,673,360,882.06 - Step 5: Solve for x
x = 341,673,360,882.06/863,013.99 - Step 6: Final answer
x = 395,907.09
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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.