Finding the Fourth Proportional to 767,758.95, 1,151,638.29 and 412,283.97
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Solution
The fourth proportional to 767,758.95, 1,151,638.29 and 412,283.97 is: 618,425.88
Step by Step Solution
- Step 1: Write the proportion equation
767,758.95 : 1,151,638.29 = 412,283.97 : x - Step 2: Convert to fraction form
767,758.95/1,151,638.29 = 412,283.97/x - Step 3: Cross multiply
767,758.95x = 1,151,638.29 × 412,283.97 - Step 4: Simplify right side
767,758.95x = 474,802,006,205.21 - Step 5: Solve for x
x = 474,802,006,205.21/767,758.95 - Step 6: Final answer
x = 618,425.88
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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.