Finding the Fourth Proportional to 929,471.60, 1,394,207.40 and 298,449.20
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Solution
The fourth proportional to 929,471.60, 1,394,207.40 and 298,449.20 is: 447,673.80
Step by Step Solution
- Step 1: Write the proportion equation
929,471.60 : 1,394,207.40 = 298,449.20 : x - Step 2: Convert to fraction form
929,471.60/1,394,207.40 = 298,449.20/x - Step 3: Cross multiply
929,471.60x = 1,394,207.40 × 298,449.20 - Step 4: Simplify right side
929,471.60x = 416,100,083,164.08 - Step 5: Solve for x
x = 416,100,083,164.08/929,471.60 - Step 6: Final answer
x = 447,673.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.