Finding the Fourth Proportional to 481,390.37, 722,236.62 and 289,485.68
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Solution
The fourth proportional to 481,390.37, 722,236.62 and 289,485.68 is: 434,319.35
Step by Step Solution
- Step 1: Write the proportion equation
481,390.37 : 722,236.62 = 289,485.68 : x - Step 2: Convert to fraction form
481,390.37/722,236.62 = 289,485.68/x - Step 3: Cross multiply
481,390.37x = 722,236.62 × 289,485.68 - Step 4: Simplify right side
481,390.37x = 209,077,154,002.99 - Step 5: Solve for x
x = 209,077,154,002.99/481,390.37 - Step 6: Final answer
x = 434,319.35
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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.