Home / 1,276.02-1,914.05-496.11

Finding the Fourth Proportional to 1,276.02, 1,914.05 and 496.11

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Solution

The fourth proportional to 1,276.02, 1,914.05 and 496.11 is: 744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276.02 : 1,914.05 = 496.11 : x
  2. Step 2: Convert to fraction form
    1,276.02/1,914.05 = 496.11/x
  3. Step 3: Cross multiply
    1,276.02x = 1,914.05 × 496.11
  4. Step 4: Simplify right side
    1,276.02x = 949,579.35
  5. Step 5: Solve for x
    x = 949,579.35/1,276.02
  6. Step 6: Final answer
    x = 744.17

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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.