Home / 1,044.08-1,440.90-624.56

Finding the Fourth Proportional to 1,044.08, 1,440.90 and 624.56

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Solution

The fourth proportional to 1,044.08, 1,440.90 and 624.56 is: 861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.08 : 1,440.90 = 624.56 : x
  2. Step 2: Convert to fraction form
    1,044.08/1,440.90 = 624.56/x
  3. Step 3: Cross multiply
    1,044.08x = 1,440.90 × 624.56
  4. Step 4: Simplify right side
    1,044.08x = 899,928.50
  5. Step 5: Solve for x
    x = 899,928.50/1,044.08
  6. Step 6: Final answer
    x = 861.93

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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.