Home / 447,020.65-669,687.20-264,105.66

Finding the Fourth Proportional to 447,020.65, 669,687.20 and 264,105.66

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Solution

The fourth proportional to 447,020.65, 669,687.20 and 264,105.66 is: 395,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,020.65 : 669,687.20 = 264,105.66 : x
  2. Step 2: Convert to fraction form
    447,020.65/669,687.20 = 264,105.66/x
  3. Step 3: Cross multiply
    447,020.65x = 669,687.20 × 264,105.66
  4. Step 4: Simplify right side
    447,020.65x = 176,868,182,130.75
  5. Step 5: Solve for x
    x = 176,868,182,130.75/447,020.65
  6. Step 6: Final answer
    x = 395,659.98

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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.