Home / 1,148.48-1,584.92-624.53

Finding the Fourth Proportional to 1,148.48, 1,584.92 and 624.53

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Solution

The fourth proportional to 1,148.48, 1,584.92 and 624.53 is: 861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.48 : 1,584.92 = 624.53 : x
  2. Step 2: Convert to fraction form
    1,148.48/1,584.92 = 624.53/x
  3. Step 3: Cross multiply
    1,148.48x = 1,584.92 × 624.53
  4. Step 4: Simplify right side
    1,148.48x = 989,824.94
  5. Step 5: Solve for x
    x = 989,824.94/1,148.48
  6. Step 6: Final answer
    x = 861.85

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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.