Finding the Fourth Proportional to 852,363.08, 1,278,212.22 and 319,593.80
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Solution
The fourth proportional to 852,363.08, 1,278,212.22 and 319,593.80 is: 479,266.07
Step by Step Solution
- Step 1: Write the proportion equation
852,363.08 : 1,278,212.22 = 319,593.80 : x - Step 2: Convert to fraction form
852,363.08/1,278,212.22 = 319,593.80/x - Step 3: Cross multiply
852,363.08x = 1,278,212.22 × 319,593.80 - Step 4: Simplify right side
852,363.08x = 408,508,700,596.24 - Step 5: Solve for x
x = 408,508,700,596.24/852,363.08 - Step 6: Final answer
x = 479,266.07
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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.