Home / 948,181.36-1,422,273.44-387,215.88

Finding the Fourth Proportional to 948,181.36, 1,422,273.44 and 387,215.88

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Solution

The fourth proportional to 948,181.36, 1,422,273.44 and 387,215.88 is: 580,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,181.36 : 1,422,273.44 = 387,215.88 : x
  2. Step 2: Convert to fraction form
    948,181.36/1,422,273.44 = 387,215.88/x
  3. Step 3: Cross multiply
    948,181.36x = 1,422,273.44 × 387,215.88
  4. Step 4: Simplify right side
    948,181.36x = 550,726,861,670.23
  5. Step 5: Solve for x
    x = 550,726,861,670.23/948,181.36
  6. Step 6: Final answer
    x = 580,824.39

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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.