Home / 683,144.82-1,024,720.20-283,785.21

Finding the Fourth Proportional to 683,144.82, 1,024,720.20 and 283,785.21

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Solution

The fourth proportional to 683,144.82, 1,024,720.20 and 283,785.21 is: 425,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,144.82 : 1,024,720.20 = 283,785.21 : x
  2. Step 2: Convert to fraction form
    683,144.82/1,024,720.20 = 283,785.21/x
  3. Step 3: Cross multiply
    683,144.82x = 1,024,720.20 × 283,785.21
  4. Step 4: Simplify right side
    683,144.82x = 290,800,437,148.24
  5. Step 5: Solve for x
    x = 290,800,437,148.24/683,144.82
  6. Step 6: Final answer
    x = 425,679.05

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1.5x scale

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.