Home / 454,801.15-681,348.79-380,399.41

Finding the Fourth Proportional to 454,801.15, 681,348.79 and 380,399.41

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Solution

The fourth proportional to 454,801.15, 681,348.79 and 380,399.41 is: 569,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,801.15 : 681,348.79 = 380,399.41 : x
  2. Step 2: Convert to fraction form
    454,801.15/681,348.79 = 380,399.41/x
  3. Step 3: Cross multiply
    454,801.15x = 681,348.79 × 380,399.41
  4. Step 4: Simplify right side
    454,801.15x = 259,184,677,720.21
  5. Step 5: Solve for x
    x = 259,184,677,720.21/454,801.15
  6. Step 6: Final answer
    x = 569,885.71

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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.