Home / 667,904.72-1,001,760.18-218,643.38

Finding the Fourth Proportional to 667,904.72, 1,001,760.18 and 218,643.38

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Solution

The fourth proportional to 667,904.72, 1,001,760.18 and 218,643.38 is: 327,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,904.72 : 1,001,760.18 = 218,643.38 : x
  2. Step 2: Convert to fraction form
    667,904.72/1,001,760.18 = 218,643.38/x
  3. Step 3: Cross multiply
    667,904.72x = 1,001,760.18 × 218,643.38
  4. Step 4: Simplify right side
    667,904.72x = 219,028,229,632.50
  5. Step 5: Solve for x
    x = 219,028,229,632.50/667,904.72
  6. Step 6: Final answer
    x = 327,933.35

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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.