Home / 901,645.97-1,244,269.46-488,180.68

Finding the Fourth Proportional to 901,645.97, 1,244,269.46 and 488,180.68

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Solution

The fourth proportional to 901,645.97, 1,244,269.46 and 488,180.68 is: 673,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,645.97 : 1,244,269.46 = 488,180.68 : x
  2. Step 2: Convert to fraction form
    901,645.97/1,244,269.46 = 488,180.68/x
  3. Step 3: Cross multiply
    901,645.97x = 1,244,269.46 × 488,180.68
  4. Step 4: Simplify right side
    901,645.97x = 607,428,309,195.81
  5. Step 5: Solve for x
    x = 607,428,309,195.81/901,645.97
  6. Step 6: Final answer
    x = 673,688.27

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Double scale
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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.