Home / 801,308.22-1,105,763.25-438,662.58

Finding the Fourth Proportional to 801,308.22, 1,105,763.25 and 438,662.58

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Solution

The fourth proportional to 801,308.22, 1,105,763.25 and 438,662.58 is: 605,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,308.22 : 1,105,763.25 = 438,662.58 : x
  2. Step 2: Convert to fraction form
    801,308.22/1,105,763.25 = 438,662.58/x
  3. Step 3: Cross multiply
    801,308.22x = 1,105,763.25 × 438,662.58
  4. Step 4: Simplify right side
    801,308.22x = 485,056,960,114.19
  5. Step 5: Solve for x
    x = 485,056,960,114.19/801,308.22
  6. Step 6: Final answer
    x = 605,331.32

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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.