Finding the Fourth Proportional to 504,676.08, 696,440.16 and 278,307.12
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Solution
The fourth proportional to 504,676.08, 696,440.16 and 278,307.12 is: 384,056.75
Step by Step Solution
- Step 1: Write the proportion equation
504,676.08 : 696,440.16 = 278,307.12 : x - Step 2: Convert to fraction form
504,676.08/696,440.16 = 278,307.12/x - Step 3: Cross multiply
504,676.08x = 696,440.16 × 278,307.12 - Step 4: Simplify right side
504,676.08x = 193,824,255,181.94 - Step 5: Solve for x
x = 193,824,255,181.94/504,676.08 - Step 6: Final answer
x = 384,056.75
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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.