Finding the Fourth Proportional to 823,433.17, 1,234,927.53 and 290,884.09
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Solution
The fourth proportional to 823,433.17, 1,234,927.53 and 290,884.09 is: 436,247.63
Step by Step Solution
- Step 1: Write the proportion equation
823,433.17 : 1,234,927.53 = 290,884.09 : x - Step 2: Convert to fraction form
823,433.17/1,234,927.53 = 290,884.09/x - Step 3: Cross multiply
823,433.17x = 1,234,927.53 × 290,884.09 - Step 4: Simplify right side
823,433.17x = 359,220,770,780.00 - Step 5: Solve for x
x = 359,220,770,780.00/823,433.17 - Step 6: Final answer
x = 436,247.63
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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.