Home / 463,299.03-639,023.07-425,181.67

Finding the Fourth Proportional to 463,299.03, 639,023.07 and 425,181.67

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Solution

The fourth proportional to 463,299.03, 639,023.07 and 425,181.67 is: 586,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,299.03 : 639,023.07 = 425,181.67 : x
  2. Step 2: Convert to fraction form
    463,299.03/639,023.07 = 425,181.67/x
  3. Step 3: Cross multiply
    463,299.03x = 639,023.07 × 425,181.67
  4. Step 4: Simplify right side
    463,299.03x = 271,700,892,879.14
  5. Step 5: Solve for x
    x = 271,700,892,879.14/463,299.03
  6. Step 6: Final answer
    x = 586,448.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.