Finding the Fourth Proportional to 576,902.97, 796,134.51 and 318,785.85
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Solution
The fourth proportional to 576,902.97, 796,134.51 and 318,785.85 is: 439,929.12
Step by Step Solution
- Step 1: Write the proportion equation
576,902.97 : 796,134.51 = 318,785.85 : x - Step 2: Convert to fraction form
576,902.97/796,134.51 = 318,785.85/x - Step 3: Cross multiply
576,902.97x = 796,134.51 × 318,785.85 - Step 4: Simplify right side
576,902.97x = 253,796,416,484.68 - Step 5: Solve for x
x = 253,796,416,484.68/576,902.97 - Step 6: Final answer
x = 439,929.12
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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.