Home / 400,883.06-553,227.54-228,797.58

Finding the Fourth Proportional to 400,883.06, 553,227.54 and 228,797.58

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Solution

The fourth proportional to 400,883.06, 553,227.54 and 228,797.58 is: 315,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,883.06 : 553,227.54 = 228,797.58 : x
  2. Step 2: Convert to fraction form
    400,883.06/553,227.54 = 228,797.58/x
  3. Step 3: Cross multiply
    400,883.06x = 553,227.54 × 228,797.58
  4. Step 4: Simplify right side
    400,883.06x = 126,577,122,341.35
  5. Step 5: Solve for x
    x = 126,577,122,341.35/400,883.06
  6. Step 6: Final answer
    x = 315,745.75

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1.5x scale

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.