Home / 890,558.44-1,228,974.88-482,660.16

Finding the Fourth Proportional to 890,558.44, 1,228,974.88 and 482,660.16

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Solution

The fourth proportional to 890,558.44, 1,228,974.88 and 482,660.16 is: 666,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,558.44 : 1,228,974.88 = 482,660.16 : x
  2. Step 2: Convert to fraction form
    890,558.44/1,228,974.88 = 482,660.16/x
  3. Step 3: Cross multiply
    890,558.44x = 1,228,974.88 × 482,660.16
  4. Step 4: Simplify right side
    890,558.44x = 593,177,212,216.78
  5. Step 5: Solve for x
    x = 593,177,212,216.78/890,558.44
  6. Step 6: Final answer
    x = 666,073.31

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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.