Finding the Fourth Proportional to 504,979.06, 696,885.70 and 278,639.14
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Solution
The fourth proportional to 504,979.06, 696,885.70 and 278,639.14 is: 384,530.07
Step by Step Solution
- Step 1: Write the proportion equation
504,979.06 : 696,885.70 = 278,639.14 : x - Step 2: Convert to fraction form
504,979.06/696,885.70 = 278,639.14/x - Step 3: Cross multiply
504,979.06x = 696,885.70 × 278,639.14 - Step 4: Simplify right side
504,979.06x = 194,179,632,126.30 - Step 5: Solve for x
x = 194,179,632,126.30/504,979.06 - Step 6: Final answer
x = 384,530.07
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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.