Home / 806,745.57-1,210,107.42-274,637.54

Finding the Fourth Proportional to 806,745.57, 1,210,107.42 and 274,637.54

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Solution

The fourth proportional to 806,745.57, 1,210,107.42 and 274,637.54 is: 411,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,745.57 : 1,210,107.42 = 274,637.54 : x
  2. Step 2: Convert to fraction form
    806,745.57/1,210,107.42 = 274,637.54/x
  3. Step 3: Cross multiply
    806,745.57x = 1,210,107.42 × 274,637.54
  4. Step 4: Simplify right side
    806,745.57x = 332,340,918,914.01
  5. Step 5: Solve for x
    x = 332,340,918,914.01/806,745.57
  6. Step 6: Final answer
    x = 411,952.58

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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.