Home / 455,845.60-683,768.40-306,546.40

Finding the Fourth Proportional to 455,845.60, 683,768.40 and 306,546.40

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Solution

The fourth proportional to 455,845.60, 683,768.40 and 306,546.40 is: 459,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,845.60 : 683,768.40 = 306,546.40 : x
  2. Step 2: Convert to fraction form
    455,845.60/683,768.40 = 306,546.40/x
  3. Step 3: Cross multiply
    455,845.60x = 683,768.40 × 306,546.40
  4. Step 4: Simplify right side
    455,845.60x = 209,606,741,453.76
  5. Step 5: Solve for x
    x = 209,606,741,453.76/455,845.60
  6. Step 6: Final answer
    x = 459,819.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.