Finding the Fourth Proportional to 841,523.41, 1,262,296.28 and 280,558.09
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Solution
The fourth proportional to 841,523.41, 1,262,296.28 and 280,558.09 is: 420,840.86
Step by Step Solution
- Step 1: Write the proportion equation
841,523.41 : 1,262,296.28 = 280,558.09 : x - Step 2: Convert to fraction form
841,523.41/1,262,296.28 = 280,558.09/x - Step 3: Cross multiply
841,523.41x = 1,262,296.28 × 280,558.09 - Step 4: Simplify right side
841,523.41x = 354,147,433,330.91 - Step 5: Solve for x
x = 354,147,433,330.91/841,523.41 - Step 6: Final answer
x = 420,840.86
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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.