Home / 673,044.30-1,008,205.65-419,546.70

Finding the Fourth Proportional to 673,044.30, 1,008,205.65 and 419,546.70

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Solution

The fourth proportional to 673,044.30, 1,008,205.65 and 419,546.70 is: 628,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,044.30 : 1,008,205.65 = 419,546.70 : x
  2. Step 2: Convert to fraction form
    673,044.30/1,008,205.65 = 419,546.70/x
  3. Step 3: Cross multiply
    673,044.30x = 1,008,205.65 × 419,546.70
  4. Step 4: Simplify right side
    673,044.30x = 422,989,353,378.86
  5. Step 5: Solve for x
    x = 422,989,353,378.86/673,044.30
  6. Step 6: Final answer
    x = 628,471.79

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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.