Finding the Fourth Proportional to 720,558.21, 1,080,470.43 and 240,613.44
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Solution
The fourth proportional to 720,558.21, 1,080,470.43 and 240,613.44 is: 360,797.65
Step by Step Solution
- Step 1: Write the proportion equation
720,558.21 : 1,080,470.43 = 240,613.44 : x - Step 2: Convert to fraction form
720,558.21/1,080,470.43 = 240,613.44/x - Step 3: Cross multiply
720,558.21x = 1,080,470.43 × 240,613.44 - Step 4: Simplify right side
720,558.21x = 259,975,706,980.58 - Step 5: Solve for x
x = 259,975,706,980.58/720,558.21 - Step 6: Final answer
x = 360,797.65
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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.