Finding the Fourth Proportional to 857,759.36, 1,183,709.08 and 475,786.12
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Solution
The fourth proportional to 857,759.36, 1,183,709.08 and 475,786.12 is: 656,585.49
Step by Step Solution
- Step 1: Write the proportion equation
857,759.36 : 1,183,709.08 = 475,786.12 : x - Step 2: Convert to fraction form
857,759.36/1,183,709.08 = 475,786.12/x - Step 3: Cross multiply
857,759.36x = 1,183,709.08 × 475,786.12 - Step 4: Simplify right side
857,759.36x = 563,192,350,381.97 - Step 5: Solve for x
x = 563,192,350,381.97/857,759.36 - Step 6: Final answer
x = 656,585.49
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1.5x scale
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.