Home / 693,745.56-1,039,987.35-267,009.21

Finding the Fourth Proportional to 693,745.56, 1,039,987.35 and 267,009.21

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Solution

The fourth proportional to 693,745.56, 1,039,987.35 and 267,009.21 is: 400,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,745.56 : 1,039,987.35 = 267,009.21 : x
  2. Step 2: Convert to fraction form
    693,745.56/1,039,987.35 = 267,009.21/x
  3. Step 3: Cross multiply
    693,745.56x = 1,039,987.35 × 267,009.21
  4. Step 4: Simplify right side
    693,745.56x = 277,686,200,733.49
  5. Step 5: Solve for x
    x = 277,686,200,733.49/693,745.56
  6. Step 6: Final answer
    x = 400,270.96

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1.5x scale

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.