Finding the Fourth Proportional to 579,138.42, 799,210.48 and 324,491.44
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Solution
The fourth proportional to 579,138.42, 799,210.48 and 324,491.44 is: 447,797.88
Step by Step Solution
- Step 1: Write the proportion equation
579,138.42 : 799,210.48 = 324,491.44 : x - Step 2: Convert to fraction form
579,138.42/799,210.48 = 324,491.44/x - Step 3: Cross multiply
579,138.42x = 799,210.48 × 324,491.44 - Step 4: Simplify right side
579,138.42x = 259,336,959,518.29 - Step 5: Solve for x
x = 259,336,959,518.29/579,138.42 - Step 6: Final answer
x = 447,797.88
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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.