Home / 764,999.56-1,055,736.78-425,460.52

Finding the Fourth Proportional to 764,999.56, 1,055,736.78 and 425,460.52

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Solution

The fourth proportional to 764,999.56, 1,055,736.78 and 425,460.52 is: 587,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,999.56 : 1,055,736.78 = 425,460.52 : x
  2. Step 2: Convert to fraction form
    764,999.56/1,055,736.78 = 425,460.52/x
  3. Step 3: Cross multiply
    764,999.56x = 1,055,736.78 × 425,460.52
  4. Step 4: Simplify right side
    764,999.56x = 449,174,319,401.93
  5. Step 5: Solve for x
    x = 449,174,319,401.93/764,999.56
  6. Step 6: Final answer
    x = 587,156.31

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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.