Home / 1,276.08-1,913.72-496.03

Finding the Fourth Proportional to 1,276.08, 1,913.72 and 496.03

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Solution

The fourth proportional to 1,276.08, 1,913.72 and 496.03 is: 743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276.08 : 1,913.72 = 496.03 : x
  2. Step 2: Convert to fraction form
    1,276.08/1,913.72 = 496.03/x
  3. Step 3: Cross multiply
    1,276.08x = 1,913.72 × 496.03
  4. Step 4: Simplify right side
    1,276.08x = 949,255.27
  5. Step 5: Solve for x
    x = 949,255.27/1,276.08
  6. Step 6: Final answer
    x = 743.88

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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.