Finding the Fourth Proportional to 823,378.02, 1,234,759.88 and 283,481.80
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Solution
The fourth proportional to 823,378.02, 1,234,759.88 and 283,481.80 is: 425,116.95
Step by Step Solution
- Step 1: Write the proportion equation
823,378.02 : 1,234,759.88 = 283,481.80 : x - Step 2: Convert to fraction form
823,378.02/1,234,759.88 = 283,481.80/x - Step 3: Cross multiply
823,378.02x = 1,234,759.88 × 283,481.80 - Step 4: Simplify right side
823,378.02x = 350,031,953,350.18 - Step 5: Solve for x
x = 350,031,953,350.18/823,378.02 - Step 6: Final answer
x = 425,116.95
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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.