Finding the Fourth Proportional to 741,574.44, 1,023,425.16 and 419,287.68
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Solution
The fourth proportional to 741,574.44, 1,023,425.16 and 419,287.68 is: 578,646.64
Step by Step Solution
- Step 1: Write the proportion equation
741,574.44 : 1,023,425.16 = 419,287.68 : x - Step 2: Convert to fraction form
741,574.44/1,023,425.16 = 419,287.68/x - Step 3: Cross multiply
741,574.44x = 1,023,425.16 × 419,287.68 - Step 4: Simplify right side
741,574.44x = 429,109,560,990.03 - Step 5: Solve for x
x = 429,109,560,990.03/741,574.44 - Step 6: Final answer
x = 578,646.64
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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.