Home / 628,258.74-942,383.79-254,276.34

Finding the Fourth Proportional to 628,258.74, 942,383.79 and 254,276.34

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Solution

The fourth proportional to 628,258.74, 942,383.79 and 254,276.34 is: 381,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,258.74 : 942,383.79 = 254,276.34 : x
  2. Step 2: Convert to fraction form
    628,258.74/942,383.79 = 254,276.34/x
  3. Step 3: Cross multiply
    628,258.74x = 942,383.79 × 254,276.34
  4. Step 4: Simplify right side
    628,258.74x = 239,625,900,996.53
  5. Step 5: Solve for x
    x = 239,625,900,996.53/628,258.74
  6. Step 6: Final answer
    x = 381,412.76

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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.