Home / 1,016.89-1,524.21-400.30

Finding the Fourth Proportional to 1,016.89, 1,524.21 and 400.30

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Solution

The fourth proportional to 1,016.89, 1,524.21 and 400.30 is: 600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.89 : 1,524.21 = 400.30 : x
  2. Step 2: Convert to fraction form
    1,016.89/1,524.21 = 400.30/x
  3. Step 3: Cross multiply
    1,016.89x = 1,524.21 × 400.30
  4. Step 4: Simplify right side
    1,016.89x = 610,141.26
  5. Step 5: Solve for x
    x = 610,141.26/1,016.89
  6. Step 6: Final answer
    x = 600.01

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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.