Home / 682,461.60-1,023,769.20-209,143.20

Finding the Fourth Proportional to 682,461.60, 1,023,769.20 and 209,143.20

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Solution

The fourth proportional to 682,461.60, 1,023,769.20 and 209,143.20 is: 313,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,461.60 : 1,023,769.20 = 209,143.20 : x
  2. Step 2: Convert to fraction form
    682,461.60/1,023,769.20 = 209,143.20/x
  3. Step 3: Cross multiply
    682,461.60x = 1,023,769.20 × 209,143.20
  4. Step 4: Simplify right side
    682,461.60x = 214,114,366,549.44
  5. Step 5: Solve for x
    x = 214,114,366,549.44/682,461.60
  6. Step 6: Final answer
    x = 313,738.34

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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.