Home / 928,265.85-1,392,399.72-254,352.60

Finding the Fourth Proportional to 928,265.85, 1,392,399.72 and 254,352.60

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Solution

The fourth proportional to 928,265.85, 1,392,399.72 and 254,352.60 is: 381,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,265.85 : 1,392,399.72 = 254,352.60 : x
  2. Step 2: Convert to fraction form
    928,265.85/1,392,399.72 = 254,352.60/x
  3. Step 3: Cross multiply
    928,265.85x = 1,392,399.72 × 254,352.60
  4. Step 4: Simplify right side
    928,265.85x = 354,160,489,021.27
  5. Step 5: Solve for x
    x = 354,160,489,021.27/928,265.85
  6. Step 6: Final answer
    x = 381,529.16

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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.