Home / 928,004.85-1,392,006.20-254,091.33

Finding the Fourth Proportional to 928,004.85, 1,392,006.20 and 254,091.33

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Solution

The fourth proportional to 928,004.85, 1,392,006.20 and 254,091.33 is: 381,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,004.85 : 1,392,006.20 = 254,091.33 : x
  2. Step 2: Convert to fraction form
    928,004.85/1,392,006.20 = 254,091.33/x
  3. Step 3: Cross multiply
    928,004.85x = 1,392,006.20 × 254,091.33
  4. Step 4: Simplify right side
    928,004.85x = 353,696,705,455.79
  5. Step 5: Solve for x
    x = 353,696,705,455.79/928,004.85
  6. Step 6: Final answer
    x = 381,136.70

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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.