Finding the Fourth Proportional to 802,155.48, 1,203,234.84 and 328,755.84
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Solution
The fourth proportional to 802,155.48, 1,203,234.84 and 328,755.84 is: 493,134.42
Step by Step Solution
- Step 1: Write the proportion equation
802,155.48 : 1,203,234.84 = 328,755.84 : x - Step 2: Convert to fraction form
802,155.48/1,203,234.84 = 328,755.84/x - Step 3: Cross multiply
802,155.48x = 1,203,234.84 × 328,755.84 - Step 4: Simplify right side
802,155.48x = 395,570,480,541.47 - Step 5: Solve for x
x = 395,570,480,541.47/802,155.48 - Step 6: Final answer
x = 493,134.42
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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.