Home / 682,718.80-1,022,109.90-603,986.80

Finding the Fourth Proportional to 682,718.80, 1,022,109.90 and 603,986.80

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Solution

The fourth proportional to 682,718.80, 1,022,109.90 and 603,986.80 is: 904,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,718.80 : 1,022,109.90 = 603,986.80 : x
  2. Step 2: Convert to fraction form
    682,718.80/1,022,109.90 = 603,986.80/x
  3. Step 3: Cross multiply
    682,718.80x = 1,022,109.90 × 603,986.80
  4. Step 4: Simplify right side
    682,718.80x = 617,340,887,749.32
  5. Step 5: Solve for x
    x = 617,340,887,749.32/682,718.80
  6. Step 6: Final answer
    x = 904,238.89

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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.