Home / 455,260.80-682,891.20-361,257.60

Finding the Fourth Proportional to 455,260.80, 682,891.20 and 361,257.60

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Solution

The fourth proportional to 455,260.80, 682,891.20 and 361,257.60 is: 541,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,260.80 : 682,891.20 = 361,257.60 : x
  2. Step 2: Convert to fraction form
    455,260.80/682,891.20 = 361,257.60/x
  3. Step 3: Cross multiply
    455,260.80x = 682,891.20 × 361,257.60
  4. Step 4: Simplify right side
    455,260.80x = 246,699,635,973.12
  5. Step 5: Solve for x
    x = 246,699,635,973.12/455,260.80
  6. Step 6: Final answer
    x = 541,886.40

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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.