Finding the Fourth Proportional to 979,635.30, 1,469,107.35 and 348,569.70
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Solution
The fourth proportional to 979,635.30, 1,469,107.35 and 348,569.70 is: 522,731.58
Step by Step Solution
- Step 1: Write the proportion equation
979,635.30 : 1,469,107.35 = 348,569.70 : x - Step 2: Convert to fraction form
979,635.30/1,469,107.35 = 348,569.70/x - Step 3: Cross multiply
979,635.30x = 1,469,107.35 × 348,569.70 - Step 4: Simplify right side
979,635.30x = 512,086,308,257.30 - Step 5: Solve for x
x = 512,086,308,257.30/979,635.30 - Step 6: Final answer
x = 522,731.58
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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.