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Finding the Fourth Proportional to 617,791.24, 926,885.58 and 280,952.20

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Solution

The fourth proportional to 617,791.24, 926,885.58 and 280,952.20 is: 421,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,791.24 : 926,885.58 = 280,952.20 : x
  2. Step 2: Convert to fraction form
    617,791.24/926,885.58 = 280,952.20/x
  3. Step 3: Cross multiply
    617,791.24x = 926,885.58 × 280,952.20
  4. Step 4: Simplify right side
    617,791.24x = 260,410,542,849.28
  5. Step 5: Solve for x
    x = 260,410,542,849.28/617,791.24
  6. Step 6: Final answer
    x = 421,518.67

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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.