Finding the Fourth Proportional to 504,654.10, 696,423.81 and 278,297.62
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Solution
The fourth proportional to 504,654.10, 696,423.81 and 278,297.62 is: 384,051.35
Step by Step Solution
- Step 1: Write the proportion equation
504,654.10 : 696,423.81 = 278,297.62 : x - Step 2: Convert to fraction form
504,654.10/696,423.81 = 278,297.62/x - Step 3: Cross multiply
504,654.10x = 696,423.81 × 278,297.62 - Step 4: Simplify right side
504,654.10x = 193,813,088,834.33 - Step 5: Solve for x
x = 193,813,088,834.33/504,654.10 - Step 6: Final answer
x = 384,051.35
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1.5x scale
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.