Home / 1,003,230.30-1,505,002.31-329,158.29

Finding the Fourth Proportional to 1,003,230.30, 1,505,002.31 and 329,158.29

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Solution

The fourth proportional to 1,003,230.30, 1,505,002.31 and 329,158.29 is: 493,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,230.30 : 1,505,002.31 = 329,158.29 : x
  2. Step 2: Convert to fraction form
    1,003,230.30/1,505,002.31 = 329,158.29/x
  3. Step 3: Cross multiply
    1,003,230.30x = 1,505,002.31 × 329,158.29
  4. Step 4: Simplify right side
    1,003,230.30x = 495,383,992,037.96
  5. Step 5: Solve for x
    x = 495,383,992,037.96/1,003,230.30
  6. Step 6: Final answer
    x = 493,788.90

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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.