Finding the Fourth Proportional to 770,739.08, 1,155,869.58 and 271,986.44
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Solution
The fourth proportional to 770,739.08, 1,155,869.58 and 271,986.44 is: 407,895.31
Step by Step Solution
- Step 1: Write the proportion equation
770,739.08 : 1,155,869.58 = 271,986.44 : x - Step 2: Convert to fraction form
770,739.08/1,155,869.58 = 271,986.44/x - Step 3: Cross multiply
770,739.08x = 1,155,869.58 × 271,986.44 - Step 4: Simplify right side
770,739.08x = 314,380,852,168.50 - Step 5: Solve for x
x = 314,380,852,168.50/770,739.08 - Step 6: Final answer
x = 407,895.31
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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.