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Finding the Fourth Proportional to 504,975, 696,880.08 and 278,635.08

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Solution

The fourth proportional to 504,975, 696,880.08 and 278,635.08 is: 384,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,975 : 696,880.08 = 278,635.08 : x
  2. Step 2: Convert to fraction form
    504,975/696,880.08 = 278,635.08/x
  3. Step 3: Cross multiply
    504,975x = 696,880.08 × 278,635.08
  4. Step 4: Simplify right side
    504,975x = 194,175,236,841.21
  5. Step 5: Solve for x
    x = 194,175,236,841.21/504,975
  6. Step 6: Final answer
    x = 384,524.46

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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.