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Finding the Fourth Proportional to 617,257.44, 925,886.58 and 262,022.52

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Solution

The fourth proportional to 617,257.44, 925,886.58 and 262,022.52 is: 393,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,257.44 : 925,886.58 = 262,022.52 : x
  2. Step 2: Convert to fraction form
    617,257.44/925,886.58 = 262,022.52/x
  3. Step 3: Cross multiply
    617,257.44x = 925,886.58 × 262,022.52
  4. Step 4: Simplify right side
    617,257.44x = 242,603,134,925.78
  5. Step 5: Solve for x
    x = 242,603,134,925.78/617,257.44
  6. Step 6: Final answer
    x = 393,033.96

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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.