Home / 892,867.72-1,339,352.16-285,709.42

Finding the Fourth Proportional to 892,867.72, 1,339,352.16 and 285,709.42

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Solution

The fourth proportional to 892,867.72, 1,339,352.16 and 285,709.42 is: 428,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,867.72 : 1,339,352.16 = 285,709.42 : x
  2. Step 2: Convert to fraction form
    892,867.72/1,339,352.16 = 285,709.42/x
  3. Step 3: Cross multiply
    892,867.72x = 1,339,352.16 × 285,709.42
  4. Step 4: Simplify right side
    892,867.72x = 382,665,528,809.35
  5. Step 5: Solve for x
    x = 382,665,528,809.35/892,867.72
  6. Step 6: Final answer
    x = 428,580.32

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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.