Finding the Fourth Proportional to 857,672.73, 1,183,730.10 and 475,822.53
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Solution
The fourth proportional to 857,672.73, 1,183,730.10 and 475,822.53 is: 656,713.72
Step by Step Solution
- Step 1: Write the proportion equation
857,672.73 : 1,183,730.10 = 475,822.53 : x - Step 2: Convert to fraction form
857,672.73/1,183,730.10 = 475,822.53/x - Step 3: Cross multiply
857,672.73x = 1,183,730.10 × 475,822.53 - Step 4: Simplify right side
857,672.73x = 563,245,451,019.15 - Step 5: Solve for x
x = 563,245,451,019.15/857,672.73 - Step 6: Final answer
x = 656,713.72
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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.