Finding the Fourth Proportional to 633,406.60, 874,115.28 and 361,469.08
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Solution
The fourth proportional to 633,406.60, 874,115.28 and 361,469.08 is: 498,835.42
Step by Step Solution
- Step 1: Write the proportion equation
633,406.60 : 874,115.28 = 361,469.08 : x - Step 2: Convert to fraction form
633,406.60/874,115.28 = 361,469.08/x - Step 3: Cross multiply
633,406.60x = 874,115.28 × 361,469.08 - Step 4: Simplify right side
633,406.60x = 315,965,646,075.54 - Step 5: Solve for x
x = 315,965,646,075.54/633,406.60 - Step 6: Final answer
x = 498,835.42
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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.