Home / 1,003,288.32-1,504,978.56-255,340.80

Finding the Fourth Proportional to 1,003,288.32, 1,504,978.56 and 255,340.80

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Solution

The fourth proportional to 1,003,288.32, 1,504,978.56 and 255,340.80 is: 383,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,288.32 : 1,504,978.56 = 255,340.80 : x
  2. Step 2: Convert to fraction form
    1,003,288.32/1,504,978.56 = 255,340.80/x
  3. Step 3: Cross multiply
    1,003,288.32x = 1,504,978.56 × 255,340.80
  4. Step 4: Simplify right side
    1,003,288.32x = 384,282,429,493.25
  5. Step 5: Solve for x
    x = 384,282,429,493.25/1,003,288.32
  6. Step 6: Final answer
    x = 383,022.93

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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.