Home / 1,022.44-1,410.98-556.70

Finding the Fourth Proportional to 1,022.44, 1,410.98 and 556.70

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Solution

The fourth proportional to 1,022.44, 1,410.98 and 556.70 is: 768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.44 : 1,410.98 = 556.70 : x
  2. Step 2: Convert to fraction form
    1,022.44/1,410.98 = 556.70/x
  3. Step 3: Cross multiply
    1,022.44x = 1,410.98 × 556.70
  4. Step 4: Simplify right side
    1,022.44x = 785,492.57
  5. Step 5: Solve for x
    x = 785,492.57/1,022.44
  6. Step 6: Final answer
    x = 768.25

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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.