Finding the Fourth Proportional to 667,217.99, 999,868.52 and 379,258.40
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Solution
The fourth proportional to 667,217.99, 999,868.52 and 379,258.40 is: 568,342.79
Step by Step Solution
- Step 1: Write the proportion equation
667,217.99 : 999,868.52 = 379,258.40 : x - Step 2: Convert to fraction form
667,217.99/999,868.52 = 379,258.40/x - Step 3: Cross multiply
667,217.99x = 999,868.52 × 379,258.40 - Step 4: Simplify right side
667,217.99x = 379,208,538,553.39 - Step 5: Solve for x
x = 379,208,538,553.39/667,217.99 - Step 6: Final answer
x = 568,342.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.