Finding the Fourth Proportional to 455,847.80, 682,787.55 and 377,115.80
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Solution
The fourth proportional to 455,847.80, 682,787.55 and 377,115.80 is: 564,859.53
Step by Step Solution
- Step 1: Write the proportion equation
455,847.80 : 682,787.55 = 377,115.80 : x - Step 2: Convert to fraction form
455,847.80/682,787.55 = 377,115.80/x - Step 3: Cross multiply
455,847.80x = 682,787.55 × 377,115.80 - Step 4: Simplify right side
455,847.80x = 257,489,973,148.29 - Step 5: Solve for x
x = 257,489,973,148.29/455,847.80 - Step 6: Final answer
x = 564,859.53
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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.