Home / 667,134.68-1,000,923.45-217,870.20

Finding the Fourth Proportional to 667,134.68, 1,000,923.45 and 217,870.20

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Solution

The fourth proportional to 667,134.68, 1,000,923.45 and 217,870.20 is: 326,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,134.68 : 1,000,923.45 = 217,870.20 : x
  2. Step 2: Convert to fraction form
    667,134.68/1,000,923.45 = 217,870.20/x
  3. Step 3: Cross multiply
    667,134.68x = 1,000,923.45 × 217,870.20
  4. Step 4: Simplify right side
    667,134.68x = 218,071,396,534.33
  5. Step 5: Solve for x
    x = 218,071,396,534.33/667,134.68
  6. Step 6: Final answer
    x = 326,877.62

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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.