Finding the Fourth Proportional to 579,137.42, 799,209.10 and 324,490.44
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Solution
The fourth proportional to 579,137.42, 799,209.10 and 324,490.44 is: 447,796.50
Step by Step Solution
- Step 1: Write the proportion equation
579,137.42 : 799,209.10 = 324,490.44 : x - Step 2: Convert to fraction form
579,137.42/799,209.10 = 324,490.44/x - Step 3: Cross multiply
579,137.42x = 799,209.10 × 324,490.44 - Step 4: Simplify right side
579,137.42x = 259,335,712,511.00 - Step 5: Solve for x
x = 259,335,712,511.00/579,137.42 - Step 6: Final answer
x = 447,796.50
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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.