Home / 766,676.43-1,150,548.25-317,399.62

Finding the Fourth Proportional to 766,676.43, 1,150,548.25 and 317,399.62

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Solution

The fourth proportional to 766,676.43, 1,150,548.25 and 317,399.62 is: 476,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,676.43 : 1,150,548.25 = 317,399.62 : x
  2. Step 2: Convert to fraction form
    766,676.43/1,150,548.25 = 317,399.62/x
  3. Step 3: Cross multiply
    766,676.43x = 1,150,548.25 × 317,399.62
  4. Step 4: Simplify right side
    766,676.43x = 365,183,577,341.67
  5. Step 5: Solve for x
    x = 365,183,577,341.67/766,676.43
  6. Step 6: Final answer
    x = 476,320.34

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1.5x scale

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.