Home / 928,837-1,393,272.78-264,006.28

Finding the Fourth Proportional to 928,837, 1,393,272.78 and 264,006.28

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Solution

The fourth proportional to 928,837, 1,393,272.78 and 264,006.28 is: 396,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,837 : 1,393,272.78 = 264,006.28 : x
  2. Step 2: Convert to fraction form
    928,837/1,393,272.78 = 264,006.28/x
  3. Step 3: Cross multiply
    928,837x = 1,393,272.78 × 264,006.28
  4. Step 4: Simplify right side
    928,837x = 367,832,763,673.06
  5. Step 5: Solve for x
    x = 367,832,763,673.06/928,837
  6. Step 6: Final answer
    x = 396,014.33

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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.