Home / 682,215.40-1,023,323.10-458,266.60

Finding the Fourth Proportional to 682,215.40, 1,023,323.10 and 458,266.60

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Solution

The fourth proportional to 682,215.40, 1,023,323.10 and 458,266.60 is: 687,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,215.40 : 1,023,323.10 = 458,266.60 : x
  2. Step 2: Convert to fraction form
    682,215.40/1,023,323.10 = 458,266.60/x
  3. Step 3: Cross multiply
    682,215.40x = 1,023,323.10 × 458,266.60
  4. Step 4: Simplify right side
    682,215.40x = 468,954,797,738.46
  5. Step 5: Solve for x
    x = 468,954,797,738.46/682,215.40
  6. Step 6: Final answer
    x = 687,399.90

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Similar ratio
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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.