Finding the Fourth Proportional to 733,911.20, 1,100,866.80 and 314,007.20
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Solution
The fourth proportional to 733,911.20, 1,100,866.80 and 314,007.20 is: 471,010.80
Step by Step Solution
- Step 1: Write the proportion equation
733,911.20 : 1,100,866.80 = 314,007.20 : x - Step 2: Convert to fraction form
733,911.20/1,100,866.80 = 314,007.20/x - Step 3: Cross multiply
733,911.20x = 1,100,866.80 × 314,007.20 - Step 4: Simplify right side
733,911.20x = 345,680,101,440.96 - Step 5: Solve for x
x = 345,680,101,440.96/733,911.20 - Step 6: Final answer
x = 471,010.80
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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.