Finding the Fourth Proportional to 633,863.75, 874,794.80 and 361,972.94
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Solution
The fourth proportional to 633,863.75, 874,794.80 and 361,972.94 is: 499,558.53
Step by Step Solution
- Step 1: Write the proportion equation
633,863.75 : 874,794.80 = 361,972.94 : x - Step 2: Convert to fraction form
633,863.75/874,794.80 = 361,972.94/x - Step 3: Cross multiply
633,863.75x = 874,794.80 × 361,972.94 - Step 4: Simplify right side
633,863.75x = 316,652,042,183.67 - Step 5: Solve for x
x = 316,652,042,183.67/633,863.75 - Step 6: Final answer
x = 499,558.53
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1.5x scale
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.