Home / 728,698.77-1,093,048.20-255,384.09

Finding the Fourth Proportional to 728,698.77, 1,093,048.20 and 255,384.09

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Solution

The fourth proportional to 728,698.77, 1,093,048.20 and 255,384.09 is: 383,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,698.77 : 1,093,048.20 = 255,384.09 : x
  2. Step 2: Convert to fraction form
    728,698.77/1,093,048.20 = 255,384.09/x
  3. Step 3: Cross multiply
    728,698.77x = 1,093,048.20 × 255,384.09
  4. Step 4: Simplify right side
    728,698.77x = 279,147,119,883.14
  5. Step 5: Solve for x
    x = 279,147,119,883.14/728,698.77
  6. Step 6: Final answer
    x = 383,076.15

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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.