Finding the Fourth Proportional to 720,074.68, 1,080,265.11 and 246,632.92
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Solution
The fourth proportional to 720,074.68, 1,080,265.11 and 246,632.92 is: 370,001.81
Step by Step Solution
- Step 1: Write the proportion equation
720,074.68 : 1,080,265.11 = 246,632.92 : x - Step 2: Convert to fraction form
720,074.68/1,080,265.11 = 246,632.92/x - Step 3: Cross multiply
720,074.68x = 1,080,265.11 × 246,632.92 - Step 4: Simplify right side
720,074.68x = 266,428,938,453.42 - Step 5: Solve for x
x = 266,428,938,453.42/720,074.68 - Step 6: Final answer
x = 370,001.81
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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.