Home / 1,016.45-1,525.06-400.04

Finding the Fourth Proportional to 1,016.45, 1,525.06 and 400.04

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Solution

The fourth proportional to 1,016.45, 1,525.06 and 400.04 is: 600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.45 : 1,525.06 = 400.04 : x
  2. Step 2: Convert to fraction form
    1,016.45/1,525.06 = 400.04/x
  3. Step 3: Cross multiply
    1,016.45x = 1,525.06 × 400.04
  4. Step 4: Simplify right side
    1,016.45x = 610,085.00
  5. Step 5: Solve for x
    x = 610,085.00/1,016.45
  6. Step 6: Final answer
    x = 600.21

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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.