Home / 423,964.38-636,011.08-263,910.80

Finding the Fourth Proportional to 423,964.38, 636,011.08 and 263,910.80

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Solution

The fourth proportional to 423,964.38, 636,011.08 and 263,910.80 is: 395,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,964.38 : 636,011.08 = 263,910.80 : x
  2. Step 2: Convert to fraction form
    423,964.38/636,011.08 = 263,910.80/x
  3. Step 3: Cross multiply
    423,964.38x = 636,011.08 × 263,910.80
  4. Step 4: Simplify right side
    423,964.38x = 167,850,192,931.66
  5. Step 5: Solve for x
    x = 167,850,192,931.66/423,964.38
  6. Step 6: Final answer
    x = 395,906.36

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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.