Finding the Fourth Proportional to 504,819.81, 696,630.78 and 278,465.31
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Solution
The fourth proportional to 504,819.81, 696,630.78 and 278,465.31 is: 384,270.79
Step by Step Solution
- Step 1: Write the proportion equation
504,819.81 : 696,630.78 = 278,465.31 : x - Step 2: Convert to fraction form
504,819.81/696,630.78 = 278,465.31/x - Step 3: Cross multiply
504,819.81x = 696,630.78 × 278,465.31 - Step 4: Simplify right side
504,819.81x = 193,987,506,108.24 - Step 5: Solve for x
x = 193,987,506,108.24/504,819.81 - Step 6: Final answer
x = 384,270.79
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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.