Home / 775,288.72-1,163,384.28-325,977.04

Finding the Fourth Proportional to 775,288.72, 1,163,384.28 and 325,977.04

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Solution

The fourth proportional to 775,288.72, 1,163,384.28 and 325,977.04 is: 489,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,288.72 : 1,163,384.28 = 325,977.04 : x
  2. Step 2: Convert to fraction form
    775,288.72/1,163,384.28 = 325,977.04/x
  3. Step 3: Cross multiply
    775,288.72x = 1,163,384.28 × 325,977.04
  4. Step 4: Simplify right side
    775,288.72x = 379,236,563,976.93
  5. Step 5: Solve for x
    x = 379,236,563,976.93/775,288.72
  6. Step 6: Final answer
    x = 489,155.27

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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.