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Finding the Fourth Proportional to 617,234.72, 926,245.71 and 262,248.84

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Solution

The fourth proportional to 617,234.72, 926,245.71 and 262,248.84 is: 393,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,234.72 : 926,245.71 = 262,248.84 : x
  2. Step 2: Convert to fraction form
    617,234.72/926,245.71 = 262,248.84/x
  3. Step 3: Cross multiply
    617,234.72x = 926,245.71 × 262,248.84
  4. Step 4: Simplify right side
    617,234.72x = 242,906,863,002.48
  5. Step 5: Solve for x
    x = 242,906,863,002.48/617,234.72
  6. Step 6: Final answer
    x = 393,540.51

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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.