Home / 1,029.29-1,544.13-509.27

Finding the Fourth Proportional to 1,029.29, 1,544.13 and 509.27

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Solution

The fourth proportional to 1,029.29, 1,544.13 and 509.27 is: 764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.29 : 1,544.13 = 509.27 : x
  2. Step 2: Convert to fraction form
    1,029.29/1,544.13 = 509.27/x
  3. Step 3: Cross multiply
    1,029.29x = 1,544.13 × 509.27
  4. Step 4: Simplify right side
    1,029.29x = 786,371.36
  5. Step 5: Solve for x
    x = 786,371.36/1,029.29
  6. Step 6: Final answer
    x = 764.00

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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.