Finding the Fourth Proportional to 644,932.87, 967,788.10 and 224,503.99
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Solution
The fourth proportional to 644,932.87, 967,788.10 and 224,503.99 is: 336,891.32
Step by Step Solution
- Step 1: Write the proportion equation
644,932.87 : 967,788.10 = 224,503.99 : x - Step 2: Convert to fraction form
644,932.87/967,788.10 = 224,503.99/x - Step 3: Cross multiply
644,932.87x = 967,788.10 × 224,503.99 - Step 4: Simplify right side
644,932.87x = 217,272,287,785.68 - Step 5: Solve for x
x = 217,272,287,785.68/644,932.87 - Step 6: Final answer
x = 336,891.32
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1.5x scale
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.