Home / 928,791.84-1,393,189.24-254,882.36

Finding the Fourth Proportional to 928,791.84, 1,393,189.24 and 254,882.36

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Solution

The fourth proportional to 928,791.84, 1,393,189.24 and 254,882.36 is: 382,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,791.84 : 1,393,189.24 = 254,882.36 : x
  2. Step 2: Convert to fraction form
    928,791.84/1,393,189.24 = 254,882.36/x
  3. Step 3: Cross multiply
    928,791.84x = 1,393,189.24 × 254,882.36
  4. Step 4: Simplify right side
    928,791.84x = 355,099,361,417.81
  5. Step 5: Solve for x
    x = 355,099,361,417.81/928,791.84
  6. Step 6: Final answer
    x = 382,323.95

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Double scale
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Similar ratio
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1.5x scale

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.