Finding the Fourth Proportional to 1,120,046.24, 1,679,912.04 and 321,395.84
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Solution
The fourth proportional to 1,120,046.24, 1,679,912.04 and 321,395.84 is: 482,048.62
Step by Step Solution
- Step 1: Write the proportion equation
1,120,046.24 : 1,679,912.04 = 321,395.84 : x - Step 2: Convert to fraction form
1,120,046.24/1,679,912.04 = 321,395.84/x - Step 3: Cross multiply
1,120,046.24x = 1,679,912.04 × 321,395.84 - Step 4: Simplify right side
1,120,046.24x = 539,916,741,221.91 - Step 5: Solve for x
x = 539,916,741,221.91/1,120,046.24 - Step 6: Final answer
x = 482,048.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.