Finding the Fourth Proportional to 892,392.53, 1,338,450.08 and 293,349.74
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Solution
The fourth proportional to 892,392.53, 1,338,450.08 and 293,349.74 is: 439,979.00
Step by Step Solution
- Step 1: Write the proportion equation
892,392.53 : 1,338,450.08 = 293,349.74 : x - Step 2: Convert to fraction form
892,392.53/1,338,450.08 = 293,349.74/x - Step 3: Cross multiply
892,392.53x = 1,338,450.08 × 293,349.74 - Step 4: Simplify right side
892,392.53x = 392,633,974,811.98 - Step 5: Solve for x
x = 392,633,974,811.98/892,392.53 - Step 6: Final answer
x = 439,979.00
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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.