Home / 672,212.40-1,008,318.60-667,546.80

Finding the Fourth Proportional to 672,212.40, 1,008,318.60 and 667,546.80

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Solution

The fourth proportional to 672,212.40, 1,008,318.60 and 667,546.80 is: 1,001,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,212.40 : 1,008,318.60 = 667,546.80 : x
  2. Step 2: Convert to fraction form
    672,212.40/1,008,318.60 = 667,546.80/x
  3. Step 3: Cross multiply
    672,212.40x = 1,008,318.60 × 667,546.80
  4. Step 4: Simplify right side
    672,212.40x = 673,099,854,810.48
  5. Step 5: Solve for x
    x = 673,099,854,810.48/672,212.40
  6. Step 6: Final answer
    x = 1,001,320.20

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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.