Home / 445,923.40-667,848.30-304,918.60

Finding the Fourth Proportional to 445,923.40, 667,848.30 and 304,918.60

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Solution

The fourth proportional to 445,923.40, 667,848.30 and 304,918.60 is: 456,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,923.40 : 667,848.30 = 304,918.60 : x
  2. Step 2: Convert to fraction form
    445,923.40/667,848.30 = 304,918.60/x
  3. Step 3: Cross multiply
    445,923.40x = 667,848.30 × 304,918.60
  4. Step 4: Simplify right side
    445,923.40x = 203,639,368,648.38
  5. Step 5: Solve for x
    x = 203,639,368,648.38/445,923.40
  6. Step 6: Final answer
    x = 456,668.95

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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.