Finding the Fourth Proportional to 853,847.40, 1,282,247.33 and 455,266.65
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Solution
The fourth proportional to 853,847.40, 1,282,247.33 and 455,266.65 is: 683,687.09
Step by Step Solution
- Step 1: Write the proportion equation
853,847.40 : 1,282,247.33 = 455,266.65 : x - Step 2: Convert to fraction form
853,847.40/1,282,247.33 = 455,266.65/x - Step 3: Cross multiply
853,847.40x = 1,282,247.33 × 455,266.65 - Step 4: Simplify right side
853,847.40x = 583,764,444,124.21 - Step 5: Solve for x
x = 583,764,444,124.21/853,847.40 - Step 6: Final answer
x = 683,687.09
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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.