Finding the Fourth Proportional to 664,937.10, 996,749.55 and 327,701.70
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Solution
The fourth proportional to 664,937.10, 996,749.55 and 327,701.70 is: 491,229.20
Step by Step Solution
- Step 1: Write the proportion equation
664,937.10 : 996,749.55 = 327,701.70 : x - Step 2: Convert to fraction form
664,937.10/996,749.55 = 327,701.70/x - Step 3: Cross multiply
664,937.10x = 996,749.55 × 327,701.70 - Step 4: Simplify right side
664,937.10x = 326,636,522,009.24 - Step 5: Solve for x
x = 326,636,522,009.24/664,937.10 - Step 6: Final answer
x = 491,229.20
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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.