Finding the Fourth Proportional to 788,818.44, 1,183,227.68 and 720,389.64
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Solution
The fourth proportional to 788,818.44, 1,183,227.68 and 720,389.64 is: 1,080,584.48
Step by Step Solution
- Step 1: Write the proportion equation
788,818.44 : 1,183,227.68 = 720,389.64 : x - Step 2: Convert to fraction form
788,818.44/1,183,227.68 = 720,389.64/x - Step 3: Cross multiply
788,818.44x = 1,183,227.68 × 720,389.64 - Step 4: Simplify right side
788,818.44x = 852,384,962,433.24 - Step 5: Solve for x
x = 852,384,962,433.24/788,818.44 - Step 6: Final answer
x = 1,080,584.48
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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.