Home / 801,840.82-1,106,120.82-495,819.40

Finding the Fourth Proportional to 801,840.82, 1,106,120.82 and 495,819.40

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Solution

The fourth proportional to 801,840.82, 1,106,120.82 and 495,819.40 is: 683,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,840.82 : 1,106,120.82 = 495,819.40 : x
  2. Step 2: Convert to fraction form
    801,840.82/1,106,120.82 = 495,819.40/x
  3. Step 3: Cross multiply
    801,840.82x = 1,106,120.82 × 495,819.40
  4. Step 4: Simplify right side
    801,840.82x = 548,436,161,299.91
  5. Step 5: Solve for x
    x = 548,436,161,299.91/801,840.82
  6. Step 6: Final answer
    x = 683,971.37

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1.5x scale

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.