Home / 928,180.76-1,392,272.36-254,268.06

Finding the Fourth Proportional to 928,180.76, 1,392,272.36 and 254,268.06

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Solution

The fourth proportional to 928,180.76, 1,392,272.36 and 254,268.06 is: 381,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,180.76 : 1,392,272.36 = 254,268.06 : x
  2. Step 2: Convert to fraction form
    928,180.76/1,392,272.36 = 254,268.06/x
  3. Step 3: Cross multiply
    928,180.76x = 1,392,272.36 × 254,268.06
  4. Step 4: Simplify right side
    928,180.76x = 354,010,391,968.82
  5. Step 5: Solve for x
    x = 354,010,391,968.82/928,180.76
  6. Step 6: Final answer
    x = 381,402.42

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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.