Home / 682,578.64-1,024,017.28-209,300.88

Finding the Fourth Proportional to 682,578.64, 1,024,017.28 and 209,300.88

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Solution

The fourth proportional to 682,578.64, 1,024,017.28 and 209,300.88 is: 313,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,578.64 : 1,024,017.28 = 209,300.88 : x
  2. Step 2: Convert to fraction form
    682,578.64/1,024,017.28 = 209,300.88/x
  3. Step 3: Cross multiply
    682,578.64x = 1,024,017.28 × 209,300.88
  4. Step 4: Simplify right side
    682,578.64x = 214,327,717,839.21
  5. Step 5: Solve for x
    x = 214,327,717,839.21/682,578.64
  6. Step 6: Final answer
    x = 313,997.11

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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.