Home / 494,628.45-741,972.74-139,669.23

Finding the Fourth Proportional to 494,628.45, 741,972.74 and 139,669.23

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Solution

The fourth proportional to 494,628.45, 741,972.74 and 139,669.23 is: 209,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,628.45 : 741,972.74 = 139,669.23 : x
  2. Step 2: Convert to fraction form
    494,628.45/741,972.74 = 139,669.23/x
  3. Step 3: Cross multiply
    494,628.45x = 741,972.74 × 139,669.23
  4. Step 4: Simplify right side
    494,628.45x = 103,630,760,578.44
  5. Step 5: Solve for x
    x = 103,630,760,578.44/494,628.45
  6. Step 6: Final answer
    x = 209,512.34

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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.