Finding the Fourth Proportional to 857,414.06, 1,183,247.68 and 470,204.94
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Solution
The fourth proportional to 857,414.06, 1,183,247.68 and 470,204.94 is: 648,891.74
Step by Step Solution
- Step 1: Write the proportion equation
857,414.06 : 1,183,247.68 = 470,204.94 : x - Step 2: Convert to fraction form
857,414.06/1,183,247.68 = 470,204.94/x - Step 3: Cross multiply
857,414.06x = 1,183,247.68 × 470,204.94 - Step 4: Simplify right side
857,414.06x = 556,368,904,379.54 - Step 5: Solve for x
x = 556,368,904,379.54/857,414.06 - Step 6: Final answer
x = 648,891.74
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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.