Finding the Fourth Proportional to 845,903.76, 1,268,453.88 and 491,026.56
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Solution
The fourth proportional to 845,903.76, 1,268,453.88 and 491,026.56 is: 736,306.63
Step by Step Solution
- Step 1: Write the proportion equation
845,903.76 : 1,268,453.88 = 491,026.56 : x - Step 2: Convert to fraction form
845,903.76/1,268,453.88 = 491,026.56/x - Step 3: Cross multiply
845,903.76x = 1,268,453.88 × 491,026.56 - Step 4: Simplify right side
845,903.76x = 622,844,545,215.05 - Step 5: Solve for x
x = 622,844,545,215.05/845,903.76 - Step 6: Final answer
x = 736,306.63
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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.