Finding the Fourth Proportional to 857,268.78, 1,183,097.79 and 475,369.98
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Solution
The fourth proportional to 857,268.78, 1,183,097.79 and 475,369.98 is: 656,047.65
Step by Step Solution
- Step 1: Write the proportion equation
857,268.78 : 1,183,097.79 = 475,369.98 : x - Step 2: Convert to fraction form
857,268.78/1,183,097.79 = 475,369.98/x - Step 3: Cross multiply
857,268.78x = 1,183,097.79 × 475,369.98 - Step 4: Simplify right side
857,268.78x = 562,409,172,770.34 - Step 5: Solve for x
x = 562,409,172,770.34/857,268.78 - Step 6: Final answer
x = 656,047.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.