Finding the Fourth Proportional to 524,269.20, 786,995.10 and 347,122.20
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Solution
The fourth proportional to 524,269.20, 786,995.10 and 347,122.20 is: 521,074.80
Step by Step Solution
- Step 1: Write the proportion equation
524,269.20 : 786,995.10 = 347,122.20 : x - Step 2: Convert to fraction form
524,269.20/786,995.10 = 347,122.20/x - Step 3: Cross multiply
524,269.20x = 786,995.10 × 347,122.20 - Step 4: Simplify right side
524,269.20x = 273,183,470,501.22 - Step 5: Solve for x
x = 273,183,470,501.22/524,269.20 - Step 6: Final answer
x = 521,074.80
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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.