Finding the Fourth Proportional to 625,406.97, 862,744.62 and 418,683.53
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Solution
The fourth proportional to 625,406.97, 862,744.62 and 418,683.53 is: 577,571.05
Step by Step Solution
- Step 1: Write the proportion equation
625,406.97 : 862,744.62 = 418,683.53 : x - Step 2: Convert to fraction form
625,406.97/862,744.62 = 418,683.53/x - Step 3: Cross multiply
625,406.97x = 862,744.62 × 418,683.53 - Step 4: Simplify right side
625,406.97x = 361,216,964,361.94 - Step 5: Solve for x
x = 361,216,964,361.94/625,406.97 - Step 6: Final answer
x = 577,571.05
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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.