Home / 953,399.86-1,428,883.54-446,843.27

Finding the Fourth Proportional to 953,399.86, 1,428,883.54 and 446,843.27

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Solution

The fourth proportional to 953,399.86, 1,428,883.54 and 446,843.27 is: 669,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,399.86 : 1,428,883.54 = 446,843.27 : x
  2. Step 2: Convert to fraction form
    953,399.86/1,428,883.54 = 446,843.27/x
  3. Step 3: Cross multiply
    953,399.86x = 1,428,883.54 × 446,843.27
  4. Step 4: Simplify right side
    953,399.86x = 638,486,995,917.88
  5. Step 5: Solve for x
    x = 638,486,995,917.88/953,399.86
  6. Step 6: Final answer
    x = 669,694.87

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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.