Home / 628,286.76-942,425.74-254,304.36

Finding the Fourth Proportional to 628,286.76, 942,425.74 and 254,304.36

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Solution

The fourth proportional to 628,286.76, 942,425.74 and 254,304.36 is: 381,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,286.76 : 942,425.74 = 254,304.36 : x
  2. Step 2: Convert to fraction form
    628,286.76/942,425.74 = 254,304.36/x
  3. Step 3: Cross multiply
    628,286.76x = 942,425.74 × 254,304.36
  4. Step 4: Simplify right side
    628,286.76x = 239,662,974,658.23
  5. Step 5: Solve for x
    x = 239,662,974,658.23/628,286.76
  6. Step 6: Final answer
    x = 381,454.76

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1.5x scale

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.