Home / 455,054.20-682,581.30-277,907.20

Finding the Fourth Proportional to 455,054.20, 682,581.30 and 277,907.20

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Solution

The fourth proportional to 455,054.20, 682,581.30 and 277,907.20 is: 416,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,054.20 : 682,581.30 = 277,907.20 : x
  2. Step 2: Convert to fraction form
    455,054.20/682,581.30 = 277,907.20/x
  3. Step 3: Cross multiply
    455,054.20x = 682,581.30 × 277,907.20
  4. Step 4: Simplify right side
    455,054.20x = 189,694,257,855.36
  5. Step 5: Solve for x
    x = 189,694,257,855.36/455,054.20
  6. Step 6: Final answer
    x = 416,860.80

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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.