Home / 764,999.10-1,055,736.09-425,460.06

Finding the Fourth Proportional to 764,999.10, 1,055,736.09 and 425,460.06

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Solution

The fourth proportional to 764,999.10, 1,055,736.09 and 425,460.06 is: 587,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,999.10 : 1,055,736.09 = 425,460.06 : x
  2. Step 2: Convert to fraction form
    764,999.10/1,055,736.09 = 425,460.06/x
  3. Step 3: Cross multiply
    764,999.10x = 1,055,736.09 × 425,460.06
  4. Step 4: Simplify right side
    764,999.10x = 449,173,540,195.57
  5. Step 5: Solve for x
    x = 449,173,540,195.57/764,999.10
  6. Step 6: Final answer
    x = 587,155.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.