Home / 400,623.07-552,858.36-228,540.73

Finding the Fourth Proportional to 400,623.07, 552,858.36 and 228,540.73

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Solution

The fourth proportional to 400,623.07, 552,858.36 and 228,540.73 is: 315,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.07 : 552,858.36 = 228,540.73 : x
  2. Step 2: Convert to fraction form
    400,623.07/552,858.36 = 228,540.73/x
  3. Step 3: Cross multiply
    400,623.07x = 552,858.36 × 228,540.73
  4. Step 4: Simplify right side
    400,623.07x = 126,350,652,486.52
  5. Step 5: Solve for x
    x = 126,350,652,486.52/400,623.07
  6. Step 6: Final answer
    x = 315,385.36

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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.