Home / 987,676.11-1,481,503.37-239,722.11

Finding the Fourth Proportional to 987,676.11, 1,481,503.37 and 239,722.11

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Solution

The fourth proportional to 987,676.11, 1,481,503.37 and 239,722.11 is: 359,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,676.11 : 1,481,503.37 = 239,722.11 : x
  2. Step 2: Convert to fraction form
    987,676.11/1,481,503.37 = 239,722.11/x
  3. Step 3: Cross multiply
    987,676.11x = 1,481,503.37 × 239,722.11
  4. Step 4: Simplify right side
    987,676.11x = 355,149,112,629.90
  5. Step 5: Solve for x
    x = 355,149,112,629.90/987,676.11
  6. Step 6: Final answer
    x = 359,580.54

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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.