Finding the Fourth Proportional to 747,760.05, 1,121,709.83 and 579,469.23
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Solution
The fourth proportional to 747,760.05, 1,121,709.83 and 579,469.23 is: 869,257.90
Step by Step Solution
- Step 1: Write the proportion equation
747,760.05 : 1,121,709.83 = 579,469.23 : x - Step 2: Convert to fraction form
747,760.05/1,121,709.83 = 579,469.23/x - Step 3: Cross multiply
747,760.05x = 1,121,709.83 × 579,469.23 - Step 4: Simplify right side
747,760.05x = 649,996,328,576.19 - Step 5: Solve for x
x = 649,996,328,576.19/747,760.05 - Step 6: Final answer
x = 869,257.90
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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.