Finding the Fourth Proportional to 457,659.91, 686,604.21 and 322,986.93
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Solution
The fourth proportional to 457,659.91, 686,604.21 and 322,986.93 is: 484,561.09
Step by Step Solution
- Step 1: Write the proportion equation
457,659.91 : 686,604.21 = 322,986.93 : x - Step 2: Convert to fraction form
457,659.91/686,604.21 = 322,986.93/x - Step 3: Cross multiply
457,659.91x = 686,604.21 × 322,986.93 - Step 4: Simplify right side
457,659.91x = 221,764,185,912.98 - Step 5: Solve for x
x = 221,764,185,912.98/457,659.91 - Step 6: Final answer
x = 484,561.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.