Finding the Fourth Proportional to 720,851.08, 1,081,721.30 and 366,119.68
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Solution
The fourth proportional to 720,851.08, 1,081,721.30 and 366,119.68 is: 549,405.37
Step by Step Solution
- Step 1: Write the proportion equation
720,851.08 : 1,081,721.30 = 366,119.68 : x - Step 2: Convert to fraction form
720,851.08/1,081,721.30 = 366,119.68/x - Step 3: Cross multiply
720,851.08x = 1,081,721.30 × 366,119.68 - Step 4: Simplify right side
720,851.08x = 396,039,456,205.18 - Step 5: Solve for x
x = 396,039,456,205.18/720,851.08 - Step 6: Final answer
x = 549,405.37
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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.