Home / 667,789.16-1,001,777.30-218,545.34

Finding the Fourth Proportional to 667,789.16, 1,001,777.30 and 218,545.34

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Solution

The fourth proportional to 667,789.16, 1,001,777.30 and 218,545.34 is: 327,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,789.16 : 1,001,777.30 = 218,545.34 : x
  2. Step 2: Convert to fraction form
    667,789.16/1,001,777.30 = 218,545.34/x
  3. Step 3: Cross multiply
    667,789.16x = 1,001,777.30 × 218,545.34
  4. Step 4: Simplify right side
    667,789.16x = 218,933,760,632.78
  5. Step 5: Solve for x
    x = 218,933,760,632.78/667,789.16
  6. Step 6: Final answer
    x = 327,848.63

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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.