Finding the Fourth Proportional to 554,986.24, 765,880.96 and 300,337.44
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Solution
The fourth proportional to 554,986.24, 765,880.96 and 300,337.44 is: 414,465.64
Step by Step Solution
- Step 1: Write the proportion equation
554,986.24 : 765,880.96 = 300,337.44 : x - Step 2: Convert to fraction form
554,986.24/765,880.96 = 300,337.44/x - Step 3: Cross multiply
554,986.24x = 765,880.96 × 300,337.44 - Step 4: Simplify right side
554,986.24x = 230,022,726,871.14 - Step 5: Solve for x
x = 230,022,726,871.14/554,986.24 - Step 6: Final answer
x = 414,465.64
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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.