Home / 826,630.20-1,239,945.30-294,751.80

Finding the Fourth Proportional to 826,630.20, 1,239,945.30 and 294,751.80

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Solution

The fourth proportional to 826,630.20, 1,239,945.30 and 294,751.80 is: 442,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,630.20 : 1,239,945.30 = 294,751.80 : x
  2. Step 2: Convert to fraction form
    826,630.20/1,239,945.30 = 294,751.80/x
  3. Step 3: Cross multiply
    826,630.20x = 1,239,945.30 × 294,751.80
  4. Step 4: Simplify right side
    826,630.20x = 365,476,109,076.54
  5. Step 5: Solve for x
    x = 365,476,109,076.54/826,630.20
  6. Step 6: Final answer
    x = 442,127.70

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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.