Home / 960,138.45-1,325,028.96-552,239.64

Finding the Fourth Proportional to 960,138.45, 1,325,028.96 and 552,239.64

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Solution

The fourth proportional to 960,138.45, 1,325,028.96 and 552,239.64 is: 762,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,138.45 : 1,325,028.96 = 552,239.64 : x
  2. Step 2: Convert to fraction form
    960,138.45/1,325,028.96 = 552,239.64/x
  3. Step 3: Cross multiply
    960,138.45x = 1,325,028.96 × 552,239.64
  4. Step 4: Simplify right side
    960,138.45x = 731,733,515,859.97
  5. Step 5: Solve for x
    x = 731,733,515,859.97/960,138.45
  6. Step 6: Final answer
    x = 762,112.50

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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.