Home / 667,550.46-1,001,387.25-218,273.63

Finding the Fourth Proportional to 667,550.46, 1,001,387.25 and 218,273.63

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Solution

The fourth proportional to 667,550.46, 1,001,387.25 and 218,273.63 is: 327,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,550.46 : 1,001,387.25 = 218,273.63 : x
  2. Step 2: Convert to fraction form
    667,550.46/1,001,387.25 = 218,273.63/x
  3. Step 3: Cross multiply
    667,550.46x = 1,001,387.25 × 218,273.63
  4. Step 4: Simplify right side
    667,550.46x = 218,576,429,001.85
  5. Step 5: Solve for x
    x = 218,576,429,001.85/667,550.46
  6. Step 6: Final answer
    x = 327,430.57

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1.5x scale

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.