Finding the Fourth Proportional to 979,418.92, 1,351,734.42 and 543,934.12
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Solution
The fourth proportional to 979,418.92, 1,351,734.42 and 543,934.12 is: 750,704.79
Step by Step Solution
- Step 1: Write the proportion equation
979,418.92 : 1,351,734.42 = 543,934.12 : x - Step 2: Convert to fraction form
979,418.92/1,351,734.42 = 543,934.12/x - Step 3: Cross multiply
979,418.92x = 1,351,734.42 × 543,934.12 - Step 4: Simplify right side
979,418.92x = 735,254,472,216.41 - Step 5: Solve for x
x = 735,254,472,216.41/979,418.92 - Step 6: Final answer
x = 750,704.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.