Finding the Fourth Proportional to 656,758.44, 905,290.20 and 484,122.96
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Solution
The fourth proportional to 656,758.44, 905,290.20 and 484,122.96 is: 667,325.68
Step by Step Solution
- Step 1: Write the proportion equation
656,758.44 : 905,290.20 = 484,122.96 : x - Step 2: Convert to fraction form
656,758.44/905,290.20 = 484,122.96/x - Step 3: Cross multiply
656,758.44x = 905,290.20 × 484,122.96 - Step 4: Simplify right side
656,758.44x = 438,271,771,282.99 - Step 5: Solve for x
x = 438,271,771,282.99/656,758.44 - Step 6: Final answer
x = 667,325.68
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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.