Finding the Fourth Proportional to 719,975.44, 1,080,138.12 and 221,339.44
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Solution
The fourth proportional to 719,975.44, 1,080,138.12 and 221,339.44 is: 332,062.94
Step by Step Solution
- Step 1: Write the proportion equation
719,975.44 : 1,080,138.12 = 221,339.44 : x - Step 2: Convert to fraction form
719,975.44/1,080,138.12 = 221,339.44/x - Step 3: Cross multiply
719,975.44x = 1,080,138.12 × 221,339.44 - Step 4: Simplify right side
719,975.44x = 239,077,163,073.09 - Step 5: Solve for x
x = 239,077,163,073.09/719,975.44 - Step 6: Final answer
x = 332,062.94
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1.5x scale
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.