Home / 969,942.72-1,339,076.16-648,197.76

Finding the Fourth Proportional to 969,942.72, 1,339,076.16 and 648,197.76

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Solution

The fourth proportional to 969,942.72, 1,339,076.16 and 648,197.76 is: 894,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,942.72 : 1,339,076.16 = 648,197.76 : x
  2. Step 2: Convert to fraction form
    969,942.72/1,339,076.16 = 648,197.76/x
  3. Step 3: Cross multiply
    969,942.72x = 1,339,076.16 × 648,197.76
  4. Step 4: Simplify right side
    969,942.72x = 867,986,167,381.40
  5. Step 5: Solve for x
    x = 867,986,167,381.40/969,942.72
  6. Step 6: Final answer
    x = 894,883.94

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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.