Home / 682,405.18-1,023,570.86-209,091.91

Finding the Fourth Proportional to 682,405.18, 1,023,570.86 and 209,091.91

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Solution

The fourth proportional to 682,405.18, 1,023,570.86 and 209,091.91 is: 313,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,405.18 : 1,023,570.86 = 209,091.91 : x
  2. Step 2: Convert to fraction form
    682,405.18/1,023,570.86 = 209,091.91/x
  3. Step 3: Cross multiply
    682,405.18x = 1,023,570.86 × 209,091.91
  4. Step 4: Simplify right side
    682,405.18x = 214,020,384,101.55
  5. Step 5: Solve for x
    x = 214,020,384,101.55/682,405.18
  6. Step 6: Final answer
    x = 313,626.55

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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.