Home / 851,791.92-1,277,411.39-283,020.28

Finding the Fourth Proportional to 851,791.92, 1,277,411.39 and 283,020.28

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Solution

The fourth proportional to 851,791.92, 1,277,411.39 and 283,020.28 is: 424,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,791.92 : 1,277,411.39 = 283,020.28 : x
  2. Step 2: Convert to fraction form
    851,791.92/1,277,411.39 = 283,020.28/x
  3. Step 3: Cross multiply
    851,791.92x = 1,277,411.39 × 283,020.28
  4. Step 4: Simplify right side
    851,791.92x = 361,533,324,929.69
  5. Step 5: Solve for x
    x = 361,533,324,929.69/851,791.92
  6. Step 6: Final answer
    x = 424,438.54

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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.