Home / 683,408.76-1,025,195.22-284,319.60

Finding the Fourth Proportional to 683,408.76, 1,025,195.22 and 284,319.60

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Solution

The fourth proportional to 683,408.76, 1,025,195.22 and 284,319.60 is: 426,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,408.76 : 1,025,195.22 = 284,319.60 : x
  2. Step 2: Convert to fraction form
    683,408.76/1,025,195.22 = 284,319.60/x
  3. Step 3: Cross multiply
    683,408.76x = 1,025,195.22 × 284,319.60
  4. Step 4: Simplify right side
    683,408.76x = 291,483,094,872.31
  5. Step 5: Solve for x
    x = 291,483,094,872.31/683,408.76
  6. Step 6: Final answer
    x = 426,513.55

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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.