Home / 884,137.50-1,220,109.75-481,729.50

Finding the Fourth Proportional to 884,137.50, 1,220,109.75 and 481,729.50

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Solution

The fourth proportional to 884,137.50, 1,220,109.75 and 481,729.50 is: 664,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,137.50 : 1,220,109.75 = 481,729.50 : x
  2. Step 2: Convert to fraction form
    884,137.50/1,220,109.75 = 481,729.50/x
  3. Step 3: Cross multiply
    884,137.50x = 1,220,109.75 × 481,729.50
  4. Step 4: Simplify right side
    884,137.50x = 587,762,859,812.63
  5. Step 5: Solve for x
    x = 587,762,859,812.63/884,137.50
  6. Step 6: Final answer
    x = 664,786.71

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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.