Home / 787,757.12-1,181,998.56-488,588.48

Finding the Fourth Proportional to 787,757.12, 1,181,998.56 and 488,588.48

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Solution

The fourth proportional to 787,757.12, 1,181,998.56 and 488,588.48 is: 733,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,757.12 : 1,181,998.56 = 488,588.48 : x
  2. Step 2: Convert to fraction form
    787,757.12/1,181,998.56 = 488,588.48/x
  3. Step 3: Cross multiply
    787,757.12x = 1,181,998.56 × 488,588.48
  4. Step 4: Simplify right side
    787,757.12x = 577,510,879,792.59
  5. Step 5: Solve for x
    x = 577,510,879,792.59/787,757.12
  6. Step 6: Final answer
    x = 733,107.79

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1.5x scale

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.