Finding the Fourth Proportional to 838,234.07, 1,257,538.51 and 305,755.08
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Solution
The fourth proportional to 838,234.07, 1,257,538.51 and 305,755.08 is: 458,700.97
Step by Step Solution
- Step 1: Write the proportion equation
838,234.07 : 1,257,538.51 = 305,755.08 : x - Step 2: Convert to fraction form
838,234.07/1,257,538.51 = 305,755.08/x - Step 3: Cross multiply
838,234.07x = 1,257,538.51 × 305,755.08 - Step 4: Simplify right side
838,234.07x = 384,498,781,440.44 - Step 5: Solve for x
x = 384,498,781,440.44/838,234.07 - Step 6: Final answer
x = 458,700.97
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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.