Finding the Fourth Proportional to 504,970.19, 696,873.44 and 278,630.27
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Solution
The fourth proportional to 504,970.19, 696,873.44 and 278,630.27 is: 384,517.82
Step by Step Solution
- Step 1: Write the proportion equation
504,970.19 : 696,873.44 = 278,630.27 : x - Step 2: Convert to fraction form
504,970.19/696,873.44 = 278,630.27/x - Step 3: Cross multiply
504,970.19x = 696,873.44 × 278,630.27 - Step 4: Simplify right side
504,970.19x = 194,170,034,743.03 - Step 5: Solve for x
x = 194,170,034,743.03/504,970.19 - Step 6: Final answer
x = 384,517.82
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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.