Home / 682,433.40-1,023,613.20-209,120.16

Finding the Fourth Proportional to 682,433.40, 1,023,613.20 and 209,120.16

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Solution

The fourth proportional to 682,433.40, 1,023,613.20 and 209,120.16 is: 313,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,433.40 : 1,023,613.20 = 209,120.16 : x
  2. Step 2: Convert to fraction form
    682,433.40/1,023,613.20 = 209,120.16/x
  3. Step 3: Cross multiply
    682,433.40x = 1,023,613.20 × 209,120.16
  4. Step 4: Simplify right side
    682,433.40x = 214,058,156,162.11
  5. Step 5: Solve for x
    x = 214,058,156,162.11/682,433.40
  6. Step 6: Final answer
    x = 313,668.93

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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.