Home / 801,363.69-1,105,911.68-457,255.64

Finding the Fourth Proportional to 801,363.69, 1,105,911.68 and 457,255.64

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Solution

The fourth proportional to 801,363.69, 1,105,911.68 and 457,255.64 is: 631,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,363.69 : 1,105,911.68 = 457,255.64 : x
  2. Step 2: Convert to fraction form
    801,363.69/1,105,911.68 = 457,255.64/x
  3. Step 3: Cross multiply
    801,363.69x = 1,105,911.68 × 457,255.64
  4. Step 4: Simplify right side
    801,363.69x = 505,684,353,021.88
  5. Step 5: Solve for x
    x = 505,684,353,021.88/801,363.69
  6. Step 6: Final answer
    x = 631,029.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.