Home / 682,341.36-1,023,149.76-208,899.60

Finding the Fourth Proportional to 682,341.36, 1,023,149.76 and 208,899.60

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Solution

The fourth proportional to 682,341.36, 1,023,149.76 and 208,899.60 is: 313,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,341.36 : 1,023,149.76 = 208,899.60 : x
  2. Step 2: Convert to fraction form
    682,341.36/1,023,149.76 = 208,899.60/x
  3. Step 3: Cross multiply
    682,341.36x = 1,023,149.76 × 208,899.60
  4. Step 4: Simplify right side
    682,341.36x = 213,735,575,604.10
  5. Step 5: Solve for x
    x = 213,735,575,604.10/682,341.36
  6. Step 6: Final answer
    x = 313,238.49

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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.