Home / 1,148.33-1,584.68-624.36

Finding the Fourth Proportional to 1,148.33, 1,584.68 and 624.36

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Solution

The fourth proportional to 1,148.33, 1,584.68 and 624.36 is: 861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.33 : 1,584.68 = 624.36 : x
  2. Step 2: Convert to fraction form
    1,148.33/1,584.68 = 624.36/x
  3. Step 3: Cross multiply
    1,148.33x = 1,584.68 × 624.36
  4. Step 4: Simplify right side
    1,148.33x = 989,412.37
  5. Step 5: Solve for x
    x = 989,412.37/1,148.33
  6. Step 6: Final answer
    x = 861.61

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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.