Home / 801,845.39-1,106,546.57-479,555.48

Finding the Fourth Proportional to 801,845.39, 1,106,546.57 and 479,555.48

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Solution

The fourth proportional to 801,845.39, 1,106,546.57 and 479,555.48 is: 661,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,845.39 : 1,106,546.57 = 479,555.48 : x
  2. Step 2: Convert to fraction form
    801,845.39/1,106,546.57 = 479,555.48/x
  3. Step 3: Cross multiply
    801,845.39x = 1,106,546.57 × 479,555.48
  4. Step 4: Simplify right side
    801,845.39x = 530,650,463,588.19
  5. Step 5: Solve for x
    x = 530,650,463,588.19/801,845.39
  6. Step 6: Final answer
    x = 661,786.52

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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.