Home / 1,028.34-1,419.26-586.29

Finding the Fourth Proportional to 1,028.34, 1,419.26 and 586.29

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Solution

The fourth proportional to 1,028.34, 1,419.26 and 586.29 is: 809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.34 : 1,419.26 = 586.29 : x
  2. Step 2: Convert to fraction form
    1,028.34/1,419.26 = 586.29/x
  3. Step 3: Cross multiply
    1,028.34x = 1,419.26 × 586.29
  4. Step 4: Simplify right side
    1,028.34x = 832,097.95
  5. Step 5: Solve for x
    x = 832,097.95/1,028.34
  6. Step 6: Final answer
    x = 809.17

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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.