Finding the Fourth Proportional to 486,920.73, 733,704.70 and 400,118.70
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Solution
The fourth proportional to 486,920.73, 733,704.70 and 400,118.70 is: 602,909.17
Step by Step Solution
- Step 1: Write the proportion equation
486,920.73 : 733,704.70 = 400,118.70 : x - Step 2: Convert to fraction form
486,920.73/733,704.70 = 400,118.70/x - Step 3: Cross multiply
486,920.73x = 733,704.70 × 400,118.70 - Step 4: Simplify right side
486,920.73x = 293,568,973,249.21 - Step 5: Solve for x
x = 293,568,973,249.21/486,920.73 - Step 6: Final answer
x = 602,909.17
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.