Home / 888,078.88-1,331,767.68-355,500.64

Finding the Fourth Proportional to 888,078.88, 1,331,767.68 and 355,500.64

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Solution

The fourth proportional to 888,078.88, 1,331,767.68 and 355,500.64 is: 533,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,078.88 : 1,331,767.68 = 355,500.64 : x
  2. Step 2: Convert to fraction form
    888,078.88/1,331,767.68 = 355,500.64/x
  3. Step 3: Cross multiply
    888,078.88x = 1,331,767.68 × 355,500.64
  4. Step 4: Simplify right side
    888,078.88x = 473,444,262,571.32
  5. Step 5: Solve for x
    x = 473,444,262,571.32/888,078.88
  6. Step 6: Final answer
    x = 533,110.60

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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.