Home / 790,745.24-1,091,306.58-451,264.52

Finding the Fourth Proportional to 790,745.24, 1,091,306.58 and 451,264.52

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Solution

The fourth proportional to 790,745.24, 1,091,306.58 and 451,264.52 is: 622,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,745.24 : 1,091,306.58 = 451,264.52 : x
  2. Step 2: Convert to fraction form
    790,745.24/1,091,306.58 = 451,264.52/x
  3. Step 3: Cross multiply
    790,745.24x = 1,091,306.58 × 451,264.52
  4. Step 4: Simplify right side
    790,745.24x = 492,467,939,996.54
  5. Step 5: Solve for x
    x = 492,467,939,996.54/790,745.24
  6. Step 6: Final answer
    x = 622,789.64

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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.