Home / 987,453.72-1,481,383.56-447,450.60

Finding the Fourth Proportional to 987,453.72, 1,481,383.56 and 447,450.60

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Solution

The fourth proportional to 987,453.72, 1,481,383.56 and 447,450.60 is: 671,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,453.72 : 1,481,383.56 = 447,450.60 : x
  2. Step 2: Convert to fraction form
    987,453.72/1,481,383.56 = 447,450.60/x
  3. Step 3: Cross multiply
    987,453.72x = 1,481,383.56 × 447,450.60
  4. Step 4: Simplify right side
    987,453.72x = 662,845,962,752.14
  5. Step 5: Solve for x
    x = 662,845,962,752.14/987,453.72
  6. Step 6: Final answer
    x = 671,267.88

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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.