Home / 756,103.40-1,043,469.78-416,571.56

Finding the Fourth Proportional to 756,103.40, 1,043,469.78 and 416,571.56

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Solution

The fourth proportional to 756,103.40, 1,043,469.78 and 416,571.56 is: 574,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,103.40 : 1,043,469.78 = 416,571.56 : x
  2. Step 2: Convert to fraction form
    756,103.40/1,043,469.78 = 416,571.56/x
  3. Step 3: Cross multiply
    756,103.40x = 1,043,469.78 × 416,571.56
  4. Step 4: Simplify right side
    756,103.40x = 434,679,834,067.46
  5. Step 5: Solve for x
    x = 434,679,834,067.46/756,103.40
  6. Step 6: Final answer
    x = 574,894.70

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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.