Finding the Fourth Proportional to 766,578.21, 1,050,215.91 and 737,846.96
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Solution
The fourth proportional to 766,578.21, 1,050,215.91 and 737,846.96 is: 1,010,853.95
Step by Step Solution
- Step 1: Write the proportion equation
766,578.21 : 1,050,215.91 = 737,846.96 : x - Step 2: Convert to fraction form
766,578.21/1,050,215.91 = 737,846.96/x - Step 3: Cross multiply
766,578.21x = 1,050,215.91 × 737,846.96 - Step 4: Simplify right side
766,578.21x = 774,898,611,286.05 - Step 5: Solve for x
x = 774,898,611,286.05/766,578.21 - Step 6: Final answer
x = 1,010,853.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.