Home / 628,287.76-942,427.24-254,305.36

Finding the Fourth Proportional to 628,287.76, 942,427.24 and 254,305.36

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Solution

The fourth proportional to 628,287.76, 942,427.24 and 254,305.36 is: 381,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,287.76 : 942,427.24 = 254,305.36 : x
  2. Step 2: Convert to fraction form
    628,287.76/942,427.24 = 254,305.36/x
  3. Step 3: Cross multiply
    628,287.76x = 942,427.24 × 254,305.36
  4. Step 4: Simplify right side
    628,287.76x = 239,664,298,542.01
  5. Step 5: Solve for x
    x = 239,664,298,542.01/628,287.76
  6. Step 6: Final answer
    x = 381,456.26

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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.