Finding the Fourth Proportional to 434,846.86, 599,992.84 and 420,511.08
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Solution
The fourth proportional to 434,846.86, 599,992.84 and 420,511.08 is: 580,212.62
Step by Step Solution
- Step 1: Write the proportion equation
434,846.86 : 599,992.84 = 420,511.08 : x - Step 2: Convert to fraction form
434,846.86/599,992.84 = 420,511.08/x - Step 3: Cross multiply
434,846.86x = 599,992.84 × 420,511.08 - Step 4: Simplify right side
434,846.86x = 252,303,637,140.67 - Step 5: Solve for x
x = 252,303,637,140.67/434,846.86 - Step 6: Final answer
x = 580,212.62
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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.