Home / 1,016.60-1,521.96-629.24

Finding the Fourth Proportional to 1,016.60, 1,521.96 and 629.24

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Solution

The fourth proportional to 1,016.60, 1,521.96 and 629.24 is: 942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.60 : 1,521.96 = 629.24 : x
  2. Step 2: Convert to fraction form
    1,016.60/1,521.96 = 629.24/x
  3. Step 3: Cross multiply
    1,016.60x = 1,521.96 × 629.24
  4. Step 4: Simplify right side
    1,016.60x = 957,678.11
  5. Step 5: Solve for x
    x = 957,678.11/1,016.60
  6. Step 6: Final answer
    x = 942.04

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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.