Home / 683,829.76-1,025,887.20-210,491.68

Finding the Fourth Proportional to 683,829.76, 1,025,887.20 and 210,491.68

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Solution

The fourth proportional to 683,829.76, 1,025,887.20 and 210,491.68 is: 315,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,829.76 : 1,025,887.20 = 210,491.68 : x
  2. Step 2: Convert to fraction form
    683,829.76/1,025,887.20 = 210,491.68/x
  3. Step 3: Cross multiply
    683,829.76x = 1,025,887.20 × 210,491.68
  4. Step 4: Simplify right side
    683,829.76x = 215,940,720,218.50
  5. Step 5: Solve for x
    x = 215,940,720,218.50/683,829.76
  6. Step 6: Final answer
    x = 315,781.40

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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.