Finding the Fourth Proportional to 857,669.23, 1,183,725.26 and 475,819.03
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Solution
The fourth proportional to 857,669.23, 1,183,725.26 and 475,819.03 is: 656,708.89
Step by Step Solution
- Step 1: Write the proportion equation
857,669.23 : 1,183,725.26 = 475,819.03 : x - Step 2: Convert to fraction form
857,669.23/1,183,725.26 = 475,819.03/x - Step 3: Cross multiply
857,669.23x = 1,183,725.26 × 475,819.03 - Step 4: Simplify right side
857,669.23x = 563,239,004,999.70 - Step 5: Solve for x
x = 563,239,004,999.70/857,669.23 - Step 6: Final answer
x = 656,708.89
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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.