Home / 476,964.65-658,067.68-285,908.33

Finding the Fourth Proportional to 476,964.65, 658,067.68 and 285,908.33

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Solution

The fourth proportional to 476,964.65, 658,067.68 and 285,908.33 is: 394,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,964.65 : 658,067.68 = 285,908.33 : x
  2. Step 2: Convert to fraction form
    476,964.65/658,067.68 = 285,908.33/x
  3. Step 3: Cross multiply
    476,964.65x = 658,067.68 × 285,908.33
  4. Step 4: Simplify right side
    476,964.65x = 188,147,031,415.77
  5. Step 5: Solve for x
    x = 188,147,031,415.77/476,964.65
  6. Step 6: Final answer
    x = 394,467.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.