Home / 667,030.40-1,001,201.70-330,451.10

Finding the Fourth Proportional to 667,030.40, 1,001,201.70 and 330,451.10

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Solution

The fourth proportional to 667,030.40, 1,001,201.70 and 330,451.10 is: 496,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,030.40 : 1,001,201.70 = 330,451.10 : x
  2. Step 2: Convert to fraction form
    667,030.40/1,001,201.70 = 330,451.10/x
  3. Step 3: Cross multiply
    667,030.40x = 1,001,201.70 × 330,451.10
  4. Step 4: Simplify right side
    667,030.40x = 330,848,203,086.87
  5. Step 5: Solve for x
    x = 330,848,203,086.87/667,030.40
  6. Step 6: Final answer
    x = 496,001.69

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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.