Home / 490,963.04-677,522.52-276,103.04

Finding the Fourth Proportional to 490,963.04, 677,522.52 and 276,103.04

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Solution

The fourth proportional to 490,963.04, 677,522.52 and 276,103.04 is: 381,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,963.04 : 677,522.52 = 276,103.04 : x
  2. Step 2: Convert to fraction form
    490,963.04/677,522.52 = 276,103.04/x
  3. Step 3: Cross multiply
    490,963.04x = 677,522.52 × 276,103.04
  4. Step 4: Simplify right side
    490,963.04x = 187,066,027,440.46
  5. Step 5: Solve for x
    x = 187,066,027,440.46/490,963.04
  6. Step 6: Final answer
    x = 381,018.55

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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.