Home / 769,103.26-1,061,383.90-424,961.37

Finding the Fourth Proportional to 769,103.26, 1,061,383.90 and 424,961.37

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Solution

The fourth proportional to 769,103.26, 1,061,383.90 and 424,961.37 is: 586,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,103.26 : 1,061,383.90 = 424,961.37 : x
  2. Step 2: Convert to fraction form
    769,103.26/1,061,383.90 = 424,961.37/x
  3. Step 3: Cross multiply
    769,103.26x = 1,061,383.90 × 424,961.37
  4. Step 4: Simplify right side
    769,103.26x = 451,047,156,239.94
  5. Step 5: Solve for x
    x = 451,047,156,239.94/769,103.26
  6. Step 6: Final answer
    x = 586,458.52

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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.