Finding the Fourth Proportional to 857,542.33, 1,183,378.64 and 475,604.65
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Solution
The fourth proportional to 857,542.33, 1,183,378.64 and 475,604.65 is: 656,317.90
Step by Step Solution
- Step 1: Write the proportion equation
857,542.33 : 1,183,378.64 = 475,604.65 : x - Step 2: Convert to fraction form
857,542.33/1,183,378.64 = 475,604.65/x - Step 3: Cross multiply
857,542.33x = 1,183,378.64 × 475,604.65 - Step 4: Simplify right side
857,542.33x = 562,820,383,894.68 - Step 5: Solve for x
x = 562,820,383,894.68/857,542.33 - Step 6: Final answer
x = 656,317.90
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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.