Finding the Fourth Proportional to 642,658.34, 886,834.32 and 370,709.99
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Solution
The fourth proportional to 642,658.34, 886,834.32 and 370,709.99 is: 511,560.06
Step by Step Solution
- Step 1: Write the proportion equation
642,658.34 : 886,834.32 = 370,709.99 : x - Step 2: Convert to fraction form
642,658.34/886,834.32 = 370,709.99/x - Step 3: Cross multiply
642,658.34x = 886,834.32 × 370,709.99 - Step 4: Simplify right side
642,658.34x = 328,758,337,464.69 - Step 5: Solve for x
x = 328,758,337,464.69/642,658.34 - Step 6: Final answer
x = 511,560.06
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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.