Home / 764,999.19-1,146,449.03-484,013.43

Finding the Fourth Proportional to 764,999.19, 1,146,449.03 and 484,013.43

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Solution

The fourth proportional to 764,999.19, 1,146,449.03 and 484,013.43 is: 725,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,999.19 : 1,146,449.03 = 484,013.43 : x
  2. Step 2: Convert to fraction form
    764,999.19/1,146,449.03 = 484,013.43/x
  3. Step 3: Cross multiply
    764,999.19x = 1,146,449.03 × 484,013.43
  4. Step 4: Simplify right side
    764,999.19x = 554,896,724,910.41
  5. Step 5: Solve for x
    x = 554,896,724,910.41/764,999.19
  6. Step 6: Final answer
    x = 725,355.96

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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.