Home / 928,179.76-1,392,270.86-254,267.06

Finding the Fourth Proportional to 928,179.76, 1,392,270.86 and 254,267.06

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Solution

The fourth proportional to 928,179.76, 1,392,270.86 and 254,267.06 is: 381,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,179.76 : 1,392,270.86 = 254,267.06 : x
  2. Step 2: Convert to fraction form
    928,179.76/1,392,270.86 = 254,267.06/x
  3. Step 3: Cross multiply
    928,179.76x = 1,392,270.86 × 254,267.06
  4. Step 4: Simplify right side
    928,179.76x = 354,008,618,295.87
  5. Step 5: Solve for x
    x = 354,008,618,295.87/928,179.76
  6. Step 6: Final answer
    x = 381,400.92

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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.