Home / 667,029.40-1,001,200.20-330,450.10

Finding the Fourth Proportional to 667,029.40, 1,001,200.20 and 330,450.10

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Solution

The fourth proportional to 667,029.40, 1,001,200.20 and 330,450.10 is: 496,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,029.40 : 1,001,200.20 = 330,450.10 : x
  2. Step 2: Convert to fraction form
    667,029.40/1,001,200.20 = 330,450.10/x
  3. Step 3: Cross multiply
    667,029.40x = 1,001,200.20 × 330,450.10
  4. Step 4: Simplify right side
    667,029.40x = 330,846,706,210.02
  5. Step 5: Solve for x
    x = 330,846,706,210.02/667,029.40
  6. Step 6: Final answer
    x = 496,000.19

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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.