Finding the Fourth Proportional to 454,871.97, 628,553.66 and 389,448.68
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Solution
The fourth proportional to 454,871.97, 628,553.66 and 389,448.68 is: 538,150.08
Step by Step Solution
- Step 1: Write the proportion equation
454,871.97 : 628,553.66 = 389,448.68 : x - Step 2: Convert to fraction form
454,871.97/628,553.66 = 389,448.68/x - Step 3: Cross multiply
454,871.97x = 628,553.66 × 389,448.68 - Step 4: Simplify right side
454,871.97x = 244,789,388,106.16 - Step 5: Solve for x
x = 244,789,388,106.16/454,871.97 - Step 6: Final answer
x = 538,150.08
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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.