Finding the Fourth Proportional to 905,988.18, 1,250,272.10 and 498,092.88
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Solution
The fourth proportional to 905,988.18, 1,250,272.10 and 498,092.88 is: 687,372.80
Step by Step Solution
- Step 1: Write the proportion equation
905,988.18 : 1,250,272.10 = 498,092.88 : x - Step 2: Convert to fraction form
905,988.18/1,250,272.10 = 498,092.88/x - Step 3: Cross multiply
905,988.18x = 1,250,272.10 × 498,092.88 - Step 4: Simplify right side
905,988.18x = 622,751,628,582.18 - Step 5: Solve for x
x = 622,751,628,582.18/905,988.18 - Step 6: Final answer
x = 687,372.80
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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.