Home / 1,011.26-1,395.37-569.06

Finding the Fourth Proportional to 1,011.26, 1,395.37 and 569.06

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Solution

The fourth proportional to 1,011.26, 1,395.37 and 569.06 is: 785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.26 : 1,395.37 = 569.06 : x
  2. Step 2: Convert to fraction form
    1,011.26/1,395.37 = 569.06/x
  3. Step 3: Cross multiply
    1,011.26x = 1,395.37 × 569.06
  4. Step 4: Simplify right side
    1,011.26x = 794,049.25
  5. Step 5: Solve for x
    x = 794,049.25/1,011.26
  6. Step 6: Final answer
    x = 785.21

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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.