Home / 442,928.20-663,600.30-269,504.20

Finding the Fourth Proportional to 442,928.20, 663,600.30 and 269,504.20

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Solution

The fourth proportional to 442,928.20, 663,600.30 and 269,504.20 is: 403,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,928.20 : 663,600.30 = 269,504.20 : x
  2. Step 2: Convert to fraction form
    442,928.20/663,600.30 = 269,504.20/x
  3. Step 3: Cross multiply
    442,928.20x = 663,600.30 × 269,504.20
  4. Step 4: Simplify right side
    442,928.20x = 178,843,067,971.26
  5. Step 5: Solve for x
    x = 178,843,067,971.26/442,928.20
  6. Step 6: Final answer
    x = 403,774.40

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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.