Home / 1,016.19-1,402.34-574.09

Finding the Fourth Proportional to 1,016.19, 1,402.34 and 574.09

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Solution

The fourth proportional to 1,016.19, 1,402.34 and 574.09 is: 792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.19 : 1,402.34 = 574.09 : x
  2. Step 2: Convert to fraction form
    1,016.19/1,402.34 = 574.09/x
  3. Step 3: Cross multiply
    1,016.19x = 1,402.34 × 574.09
  4. Step 4: Simplify right side
    1,016.19x = 805,062.99
  5. Step 5: Solve for x
    x = 805,062.99/1,016.19
  6. Step 6: Final answer
    x = 792.24

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1.5x scale

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.