Home / 494,749.72-682,753.20-268,395.28

Finding the Fourth Proportional to 494,749.72, 682,753.20 and 268,395.28

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Solution

The fourth proportional to 494,749.72, 682,753.20 and 268,395.28 is: 370,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,749.72 : 682,753.20 = 268,395.28 : x
  2. Step 2: Convert to fraction form
    494,749.72/682,753.20 = 268,395.28/x
  3. Step 3: Cross multiply
    494,749.72x = 682,753.20 × 268,395.28
  4. Step 4: Simplify right side
    494,749.72x = 183,247,736,284.90
  5. Step 5: Solve for x
    x = 183,247,736,284.90/494,749.72
  6. Step 6: Final answer
    x = 370,384.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.