Finding the Fourth Proportional to 576,903.97, 796,135.89 and 318,786.85
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Solution
The fourth proportional to 576,903.97, 796,135.89 and 318,786.85 is: 439,930.50
Step by Step Solution
- Step 1: Write the proportion equation
576,903.97 : 796,135.89 = 318,786.85 : x - Step 2: Convert to fraction form
576,903.97/796,135.89 = 318,786.85/x - Step 3: Cross multiply
576,903.97x = 796,135.89 × 318,786.85 - Step 4: Simplify right side
576,903.97x = 253,797,652,545.05 - Step 5: Solve for x
x = 253,797,652,545.05/576,903.97 - Step 6: Final answer
x = 439,930.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.