Finding the Fourth Proportional to 797,420.58, 1,100,458.56 and 453,201.98
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Solution
The fourth proportional to 797,420.58, 1,100,458.56 and 453,201.98 is: 625,429.05
Step by Step Solution
- Step 1: Write the proportion equation
797,420.58 : 1,100,458.56 = 453,201.98 : x - Step 2: Convert to fraction form
797,420.58/1,100,458.56 = 453,201.98/x - Step 3: Cross multiply
797,420.58x = 1,100,458.56 × 453,201.98 - Step 4: Simplify right side
797,420.58x = 498,729,992,797.66 - Step 5: Solve for x
x = 498,729,992,797.66/797,420.58 - Step 6: Final answer
x = 625,429.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.