Finding the Fourth Proportional to 857,419.48, 1,183,153.62 and 494,960.10
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Solution
The fourth proportional to 857,419.48, 1,183,153.62 and 494,960.10 is: 682,995.72
Step by Step Solution
- Step 1: Write the proportion equation
857,419.48 : 1,183,153.62 = 494,960.10 : x - Step 2: Convert to fraction form
857,419.48/1,183,153.62 = 494,960.10/x - Step 3: Cross multiply
857,419.48x = 1,183,153.62 × 494,960.10 - Step 4: Simplify right side
857,419.48x = 585,613,834,070.56 - Step 5: Solve for x
x = 585,613,834,070.56/857,419.48 - Step 6: Final answer
x = 682,995.72
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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.