Finding the Fourth Proportional to 720,632.14, 1,080,992.80 and 240,903.12
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Solution
The fourth proportional to 720,632.14, 1,080,992.80 and 240,903.12 is: 361,369.59
Step by Step Solution
- Step 1: Write the proportion equation
720,632.14 : 1,080,992.80 = 240,903.12 : x - Step 2: Convert to fraction form
720,632.14/1,080,992.80 = 240,903.12/x - Step 3: Cross multiply
720,632.14x = 1,080,992.80 × 240,903.12 - Step 4: Simplify right side
720,632.14x = 260,414,538,217.54 - Step 5: Solve for x
x = 260,414,538,217.54/720,632.14 - Step 6: Final answer
x = 361,369.59
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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.