Finding the Fourth Proportional to 1,079,281.16, 1,618,639.84 and 320,918.44
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Solution
The fourth proportional to 1,079,281.16, 1,618,639.84 and 320,918.44 is: 481,293.84
Step by Step Solution
- Step 1: Write the proportion equation
1,079,281.16 : 1,618,639.84 = 320,918.44 : x - Step 2: Convert to fraction form
1,079,281.16/1,618,639.84 = 320,918.44/x - Step 3: Cross multiply
1,079,281.16x = 1,618,639.84 × 320,918.44 - Step 4: Simplify right side
1,079,281.16x = 519,451,372,374.65 - Step 5: Solve for x
x = 519,451,372,374.65/1,079,281.16 - Step 6: Final answer
x = 481,293.84
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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.