Finding the Fourth Proportional to 633,076.80, 873,694.50 and 361,150.68
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Solution
The fourth proportional to 633,076.80, 873,694.50 and 361,150.68 is: 498,415.62
Step by Step Solution
- Step 1: Write the proportion equation
633,076.80 : 873,694.50 = 361,150.68 : x - Step 2: Convert to fraction form
633,076.80/873,694.50 = 361,150.68/x - Step 3: Cross multiply
633,076.80x = 873,694.50 × 361,150.68 - Step 4: Simplify right side
633,076.80x = 315,535,364,709.30 - Step 5: Solve for x
x = 315,535,364,709.30/633,076.80 - Step 6: Final answer
x = 498,415.62
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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.