Finding the Fourth Proportional to 926,102.10, 1,277,615.40 and 543,956.64
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Solution
The fourth proportional to 926,102.10, 1,277,615.40 and 543,956.64 is: 750,421.99
Step by Step Solution
- Step 1: Write the proportion equation
926,102.10 : 1,277,615.40 = 543,956.64 : x - Step 2: Convert to fraction form
926,102.10/1,277,615.40 = 543,956.64/x - Step 3: Cross multiply
926,102.10x = 1,277,615.40 × 543,956.64 - Step 4: Simplify right side
926,102.10x = 694,967,380,196.26 - Step 5: Solve for x
x = 694,967,380,196.26/926,102.10 - Step 6: Final answer
x = 750,421.99
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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.