Finding the Fourth Proportional to 828,984.26, 1,143,998.26 and 471,288.26
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Solution
The fourth proportional to 828,984.26, 1,143,998.26 and 471,288.26 is: 650,377.79
Step by Step Solution
- Step 1: Write the proportion equation
828,984.26 : 1,143,998.26 = 471,288.26 : x - Step 2: Convert to fraction form
828,984.26/1,143,998.26 = 471,288.26/x - Step 3: Cross multiply
828,984.26x = 1,143,998.26 × 471,288.26 - Step 4: Simplify right side
828,984.26x = 539,152,949,398.43 - Step 5: Solve for x
x = 539,152,949,398.43/828,984.26 - Step 6: Final answer
x = 650,377.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.