Finding the Fourth Proportional to 857,694.16, 1,183,618.70 and 475,720.93
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Solution
The fourth proportional to 857,694.16, 1,183,618.70 and 475,720.93 is: 656,495.30
Step by Step Solution
- Step 1: Write the proportion equation
857,694.16 : 1,183,618.70 = 475,720.93 : x - Step 2: Convert to fraction form
857,694.16/1,183,618.70 = 475,720.93/x - Step 3: Cross multiply
857,694.16x = 1,183,618.70 × 475,720.93 - Step 4: Simplify right side
857,694.16x = 563,072,188,729.39 - Step 5: Solve for x
x = 563,072,188,729.39/857,694.16 - Step 6: Final answer
x = 656,495.30
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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.