Home / 682,644.56-1,023,928.57-209,328.62

Finding the Fourth Proportional to 682,644.56, 1,023,928.57 and 209,328.62

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Solution

The fourth proportional to 682,644.56, 1,023,928.57 and 209,328.62 is: 313,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,644.56 : 1,023,928.57 = 209,328.62 : x
  2. Step 2: Convert to fraction form
    682,644.56/1,023,928.57 = 209,328.62/x
  3. Step 3: Cross multiply
    682,644.56x = 1,023,928.57 × 209,328.62
  4. Step 4: Simplify right side
    682,644.56x = 214,337,554,013.35
  5. Step 5: Solve for x
    x = 214,337,554,013.35/682,644.56
  6. Step 6: Final answer
    x = 313,981.19

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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.