Home / 766,676.93-1,150,549.00-317,400.12

Finding the Fourth Proportional to 766,676.93, 1,150,549.00 and 317,400.12

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Solution

The fourth proportional to 766,676.93, 1,150,549.00 and 317,400.12 is: 476,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,676.93 : 1,150,549.00 = 317,400.12 : x
  2. Step 2: Convert to fraction form
    766,676.93/1,150,549.00 = 317,400.12/x
  3. Step 3: Cross multiply
    766,676.93x = 1,150,549.00 × 317,400.12
  4. Step 4: Simplify right side
    766,676.93x = 365,184,389,872.38
  5. Step 5: Solve for x
    x = 365,184,389,872.38/766,676.93
  6. Step 6: Final answer
    x = 476,321.09

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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.