Finding the Fourth Proportional to 790,748.74, 1,091,311.41 and 451,268.02
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Solution
The fourth proportional to 790,748.74, 1,091,311.41 and 451,268.02 is: 622,794.47
Step by Step Solution
- Step 1: Write the proportion equation
790,748.74 : 1,091,311.41 = 451,268.02 : x - Step 2: Convert to fraction form
790,748.74/1,091,311.41 = 451,268.02/x - Step 3: Cross multiply
790,748.74x = 1,091,311.41 × 451,268.02 - Step 4: Simplify right side
790,748.74x = 492,473,939,194.11 - Step 5: Solve for x
x = 492,473,939,194.11/790,748.74 - Step 6: Final answer
x = 622,794.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.