Home / 1,276.31-1,914.15-496.41

Finding the Fourth Proportional to 1,276.31, 1,914.15 and 496.41

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Solution

The fourth proportional to 1,276.31, 1,914.15 and 496.41 is: 744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276.31 : 1,914.15 = 496.41 : x
  2. Step 2: Convert to fraction form
    1,276.31/1,914.15 = 496.41/x
  3. Step 3: Cross multiply
    1,276.31x = 1,914.15 × 496.41
  4. Step 4: Simplify right side
    1,276.31x = 950,203.20
  5. Step 5: Solve for x
    x = 950,203.20/1,276.31
  6. Step 6: Final answer
    x = 744.50

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Half scale
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Double scale
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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.