Home / 842,615.19-1,263,910.50-274,022.46

Finding the Fourth Proportional to 842,615.19, 1,263,910.50 and 274,022.46

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Solution

The fourth proportional to 842,615.19, 1,263,910.50 and 274,022.46 is: 411,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,615.19 : 1,263,910.50 = 274,022.46 : x
  2. Step 2: Convert to fraction form
    842,615.19/1,263,910.50 = 274,022.46/x
  3. Step 3: Cross multiply
    842,615.19x = 1,263,910.50 × 274,022.46
  4. Step 4: Simplify right side
    842,615.19x = 346,339,864,429.83
  5. Step 5: Solve for x
    x = 346,339,864,429.83/842,615.19
  6. Step 6: Final answer
    x = 411,029.69

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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.