Finding the Fourth Proportional to 484,874.68, 668,782.38 and 323,648.44
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Solution
The fourth proportional to 484,874.68, 668,782.38 and 323,648.44 is: 446,404.78
Step by Step Solution
- Step 1: Write the proportion equation
484,874.68 : 668,782.38 = 323,648.44 : x - Step 2: Convert to fraction form
484,874.68/668,782.38 = 323,648.44/x - Step 3: Cross multiply
484,874.68x = 668,782.38 × 323,648.44 - Step 4: Simplify right side
484,874.68x = 216,450,373,986.49 - Step 5: Solve for x
x = 216,450,373,986.49/484,874.68 - Step 6: Final answer
x = 446,404.78
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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.