Home / 1,148.03-1,584.29-624.06

Finding the Fourth Proportional to 1,148.03, 1,584.29 and 624.06

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Solution

The fourth proportional to 1,148.03, 1,584.29 and 624.06 is: 861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.03 : 1,584.29 = 624.06 : x
  2. Step 2: Convert to fraction form
    1,148.03/1,584.29 = 624.06/x
  3. Step 3: Cross multiply
    1,148.03x = 1,584.29 × 624.06
  4. Step 4: Simplify right side
    1,148.03x = 988,695.98
  5. Step 5: Solve for x
    x = 988,695.98/1,148.03
  6. Step 6: Final answer
    x = 861.21

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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.