Home / 943,408.78-1,415,334.52-269,499.72

Finding the Fourth Proportional to 943,408.78, 1,415,334.52 and 269,499.72

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Solution

The fourth proportional to 943,408.78, 1,415,334.52 and 269,499.72 is: 404,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,408.78 : 1,415,334.52 = 269,499.72 : x
  2. Step 2: Convert to fraction form
    943,408.78/1,415,334.52 = 269,499.72/x
  3. Step 3: Cross multiply
    943,408.78x = 1,415,334.52 × 269,499.72
  4. Step 4: Simplify right side
    943,408.78x = 381,432,256,846.33
  5. Step 5: Solve for x
    x = 381,432,256,846.33/943,408.78
  6. Step 6: Final answer
    x = 404,312.81

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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.