Home / 667,630.50-1,001,603.26-218,349.60

Finding the Fourth Proportional to 667,630.50, 1,001,603.26 and 218,349.60

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Solution

The fourth proportional to 667,630.50, 1,001,603.26 and 218,349.60 is: 327,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,630.50 : 1,001,603.26 = 218,349.60 : x
  2. Step 2: Convert to fraction form
    667,630.50/1,001,603.26 = 218,349.60/x
  3. Step 3: Cross multiply
    667,630.50x = 1,001,603.26 × 218,349.60
  4. Step 4: Simplify right side
    667,630.50x = 218,699,671,179.70
  5. Step 5: Solve for x
    x = 218,699,671,179.70/667,630.50
  6. Step 6: Final answer
    x = 327,575.91

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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.