Home / 1,155.33-1,733.58-505.29

Finding the Fourth Proportional to 1,155.33, 1,733.58 and 505.29

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Solution

The fourth proportional to 1,155.33, 1,733.58 and 505.29 is: 758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.33 : 1,733.58 = 505.29 : x
  2. Step 2: Convert to fraction form
    1,155.33/1,733.58 = 505.29/x
  3. Step 3: Cross multiply
    1,155.33x = 1,733.58 × 505.29
  4. Step 4: Simplify right side
    1,155.33x = 875,960.64
  5. Step 5: Solve for x
    x = 875,960.64/1,155.33
  6. Step 6: Final answer
    x = 758.19

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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.