Finding the Fourth Proportional to 723,107.20, 1,084,655.13 and 217,665.99
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Solution
The fourth proportional to 723,107.20, 1,084,655.13 and 217,665.99 is: 326,497.28
Step by Step Solution
- Step 1: Write the proportion equation
723,107.20 : 1,084,655.13 = 217,665.99 : x - Step 2: Convert to fraction form
723,107.20/1,084,655.13 = 217,665.99/x - Step 3: Cross multiply
723,107.20x = 1,084,655.13 × 217,665.99 - Step 4: Simplify right side
723,107.20x = 236,092,532,680.03 - Step 5: Solve for x
x = 236,092,532,680.03/723,107.20 - Step 6: Final answer
x = 326,497.28
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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.