Home / 455,719.20-683,578.80-123,295.20

Finding the Fourth Proportional to 455,719.20, 683,578.80 and 123,295.20

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Solution

The fourth proportional to 455,719.20, 683,578.80 and 123,295.20 is: 184,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,719.20 : 683,578.80 = 123,295.20 : x
  2. Step 2: Convert to fraction form
    455,719.20/683,578.80 = 123,295.20/x
  3. Step 3: Cross multiply
    455,719.20x = 683,578.80 × 123,295.20
  4. Step 4: Simplify right side
    455,719.20x = 84,281,984,861.76
  5. Step 5: Solve for x
    x = 84,281,984,861.76/455,719.20
  6. Step 6: Final answer
    x = 184,942.80

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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.