Home / 1,036.14-1,429.83-570.36

Finding the Fourth Proportional to 1,036.14, 1,429.83 and 570.36

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Solution

The fourth proportional to 1,036.14, 1,429.83 and 570.36 is: 787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.14 : 1,429.83 = 570.36 : x
  2. Step 2: Convert to fraction form
    1,036.14/1,429.83 = 570.36/x
  3. Step 3: Cross multiply
    1,036.14x = 1,429.83 × 570.36
  4. Step 4: Simplify right side
    1,036.14x = 815,517.84
  5. Step 5: Solve for x
    x = 815,517.84/1,036.14
  6. Step 6: Final answer
    x = 787.07

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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.